Question

prefixes im- and un-
choose the correct word to complete each sentence

1. our vacation plans are ______ because my cousin is still not sure if she can take the time off from work

(helpless, violable, unsure, tentative)

1. i am helping my aunt teach my cousins how to be ______ and use words like please and thank you

(polite, meek, impolite, unsociable)

1. we sat so far back in the auditorium that the speaker’s speech was ______

(audible, inaudible, recent, impersonal)

1. i am so excited my present is ______ a few days early!

(visible, invisible, complete, incomplete)

1. our town has two ______ library vans that visit neighborhoods that do not have bus access.

(immobile, mobile, removable, unremovable)

Explanation:

Each question requires selecting the correct word with in-/un- prefixes that fits the sentence context logically.

1. The context is uncertainty about taking time off, so the plans are not fixed.
2. The context uses polite words like please and thank you, so the trait is polite behavior.
3. The context is sitting far back, so the speech cannot be heard.
4. The context is excitement about finishing early, so the project is finished.
5. The context is library vans for areas without library access, so the service is for people without access to standard libraries.

Answer:

1. uncertain
2. polite
3. inaudible
4. complete
5. mobile