Estos 16 ejercicios de opción múltiple entrenan categoría gramatical, pista semántica y colocación. Son una práctica complementaria creada por WeLearn; no son la interacción Complete the Words del formato actual.
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Ítem 1
The new study room policy was designed to _____ noise during exam week.
A. reduceB. replaceC. borrowD. describe
The context is a policy affecting noise. Reduce fits the purpose: make noise lower.
Trampa: Replace and borrow are grammatically possible verbs, but they do not match the meaning of noise control.
Ítem 2
Students must reserve a seat in advance because space is _____.
A. limitedB. generousC. optionalD. portable
The cause marker because explains why reservations are required: there is not enough space for everyone.
Trampa: Generous is the opposite direction; optional describes a rule, not available space.
Ítem 3
The librarian will _____ the old sign with a clearer digital notice.
A. avoidB. delayC. replaceD. invite
Replace matches the structure replace X with Y: old sign with a clearer notice.
Trampa: Delay and avoid do not fit with the phrase with a clearer digital notice.
Ítem 4
The lab assistant asked students to _____ their observations before leaving the room.
A. recordB. preventC. donateD. expand
Observations are information students write down or record during a lab activity.
Trampa: Expand can work with an idea, but not naturally with observations before leaving a lab.
Ítem 5
The deadline was _____ by two days after several students reported technical problems.
A. fragileB. extendedC. ordinaryD. visible
A deadline can be extended, meaning students receive more time.
Trampa: Visible and ordinary are adjectives, but they do not express a change in time.
Ítem 6
The professor used the diagram to _____ how energy moves through the system.
A. purchaseB. illustrateC. interruptD. permit
A diagram is used to illustrate or show a process visually.
Trampa: Permit can be a correct verb in other contexts, but a diagram does not permit movement here.
Ítem 7
Students who lose their ID cards must request a _____ at the front desk.
A. replacementB. comparisonC. predictionD. preference
If an ID card is lost, the needed object is a replacement: a new one that takes its place.
Trampa: Comparison and prediction are nouns, but neither names the object a student needs.
Ítem 8
The initial results were promising, but the researchers needed more data to _____ the pattern.
A. confirmB. decorateC. apologizeD. relocate
More data can confirm a pattern by showing that it is real and repeatable.
Trampa: Relocate means move something to another place, which does not fit with a research pattern.
Ítem 9
The advisor suggested a lighter course load to _____ students from becoming overwhelmed.
A. preventB. deliverC. decorateD. borrow
Prevent fits the pattern prevent someone from doing something and matches the goal of avoiding overload.
Trampa: Deliver and borrow are action verbs, but neither works with students from becoming overwhelmed.
Ítem 10
Because the equipment is sensitive, students must handle each sample with _____.
A. cautionB. distanceC. arrivalD. comparison
Sensitive equipment requires caution, meaning careful behavior to avoid damage.
Trampa: Distance can be related to safety in other contexts, but the phrase handle with caution is the natural collocation.
Ítem 11
The department will _____ students by email if the workshop location changes.
A. notifyB. divideC. purchaseD. estimate
Notify means inform someone officially, which fits students by email.
Trampa: Estimate can be used with numbers or amounts, not with students by email.
Ítem 12
The survey results were _____ because only twelve students answered the questions.
A. limitedB. generousC. portableD. annual
Only twelve responses make the results limited, so the finding should be interpreted carefully.
Trampa: Annual relates to time, and generous relates to amount in a positive sense; neither explains the small sample.
Ítem 13
The library added signs to _____ students toward the temporary entrance.
A. directB. delayC. measureD. compare
Signs can direct people, meaning guide them toward a place.
Trampa: Delay students toward an entrance is not a natural or logical phrase.
Ítem 14
The speaker gave a brief example to _____ the difference between observation and interpretation.
A. clarifyB. reserveC. interruptD. predict
An example can clarify a difference by making it easier to understand.
Trampa: Predict points to the future, but the sentence is about explaining a current distinction.
Ítem 15
Although the new app is convenient, some students are _____ to share personal information through it.
A. reluctantB. visibleC. automaticD. regional
Although creates contrast: the app is convenient, but students hesitate to share personal information.
Trampa: Visible and regional are adjectives, but they do not express hesitation after the contrast clue.
Ítem 16
The experiment was repeated several times to make the results more _____.
A. reliableB. distantC. temporaryD. casual
Repeating an experiment can make results more reliable by showing they are consistent.
Trampa: Temporary is almost the opposite of what repeated trials are meant to establish.