根据句意用所给单词的适当形式填空。
1. Look! What a clean room! Who (clean) it?
2. My parents have warned me many times __________ (not swim) in the river alone.
3. They _______ (carry) on with their work tonight, aren’t they?
4.This is the best way I can think of __________ (achieve) my dream .
5. He will pass the driving test if he ______________(not be) so careless.
6. He was made ______ (do) homework every day and had no time to play.
7. We hope you ________ (enter) Nanjing Senior High School one day in the future.
8. –When will he go to watch the basketball match in the sports centre?
--Not until his work ______ (finish)
1.has cleaned 2.not to swim
3.are going to carry 4.to achieve
5.isn’t 6.to do 7.will enter 8.is finished