20.We would like to go and thank him ourselves,but we __ out his address yet,
A. haven’t found
B. hadn’t found
C. didn’t find
D. don’t find
查看答案
21.Shirley ________ a book about China last year but I don’t know whether she has finished.
A. has written
B. wrote
C. had written
D. was writing
22.—Have you got your test result?Not yet.The papers ________.
A. are not correcting
B. have not corrected
C. are still being corrected
D. have already been corrected
23.See the clouds! It ________ rain!
A. will
B. is going to
C. must
D. certainly
24.Do I have to take this medicine? It ________ so terrible.
A. tastes
B. is tasting
C. is tasted
D. has tasted
微信支付 
支付宝支付