Have you checked all the CDs _______ to the mountainous area next week?
A. sent B. to be sent C. sending D. being sent
The reason _______ he was absent from the meeting is_____ he suffered form a headache.
A. what; because B. for; that C. why; that D. when; because
_______ to the sunlight for too long will do harm to your skin.
A. Exposing B. Exposed C. Being exposed D. Having exposed
--- Congratulations![来
---Thank you. If it hadn’t been for your help, we ____ in the experiment.
A. will never succeed B. wouldn’t have succeeded
C. mustn’t have succeeded D. can’t have succeeded
---You _________to our Mom like that. It was awfully impolite.
---You are right. I must have been crazy at that moment.
A. mustn’t have talked B. needn’t have talked
C. shouldn’t have talked D. may not have talked
Electric trains have now _______ steam trains in England.
A. taken place B. in place of C. instead of D. taken the place of