Prepositions "untill", "for", "while", "during", "by"

I will be on vacation _______ two weeks.

• a) until

• b) for

• c) while

• e) by

2. The movie lasts _______ two hours.

• a) until

• b) for

• c) while

• d) during

3. She studied _______ the night before the exam.

• a) until

• b) for

• c) while

• e) by

4. The store is open _______ 9:00pm.

• a) until

• b) for

• c) while

• d) during

5. He promised to be back _______ dinner.

• a) during

• b) for

• c) while

• e) by

6. I have to finish this project ___ Friday.

• a) until

• b) for

• c) while

• d) by

7. The concert lasted _______ three hours.

• a) until

• b) for

• c) while

• d) by

8. I will be in Japan _______ two weeks.

• a) until

• b) for

• c) while

• d) during

9. The party went on _______ the night.

• a) until

• b) for

• c) while

• d) during

10. He will finish the race _______ 12:00pm.

• a) until

• b) for

• c) while

• d) by