If the weather had been better, we could have had a picnic. But it ____ all day.

A. rained　 　　　　　　 B. rains　 　　　　　 C. has rained　 D. is raining

Mr. Smith had an accident last month. Fortunately, he is ______ (恢复) now from the injury.

Only when you have finished your homework _____ go home.（ ）

A. can you　 B. would you C. you will D. you can

I’m very sorry I didn’t meet you at the bus station this morning because I _____ a report then.

A. wrote　　　 B. was writing　 　 C. had written　 　 D. have written

Is ______necessary to tell his father everything?

A. it　　　 B. that　　 C. what　　 D. he

The old man asked her to leave because he _______-in that chair.

A. used to sit         B. was used to sit

C. used to sitting      D. was used to sitting

Your uncle seems to be a good driver；　 ，I wouldn’t dare to travel in his car.

A.even so　　　　　 B.even though?　　　　　　 C.therefore　　　　 D.so

When you are confused about some words in reading, you can 　　　 the dictionary.

A. refer to　 B. look up　 C. check　 D. have a look at

The students ______ busily when Miss Brown went to get a book she ______ in the office.
A. had written ; left       B.were writing ;has left
C.had written ;had left     D.were writing ;had left