19.Henry remained silent for a moment.He ________.
A. thought
B. had thought
C. was thinking
D. was thought
查看答案
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
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
微信支付 
支付宝支付