I ______ the article when they came.
A. had written
B. have written
C. had been written
D. have been written
查看答案
By six o’clock they ______ twelve hours.
A. worked
B. have worked
C. had worked
D. will work
She said that she ______ much progress since she came here.
A. would make
B. makes
C. has made
D. had made
The boy was delighted with his new story book which he ________ for a long time.
A. was wanting
B. has wanted
C. has been wanting
D. had been wanting
It was midnight and he was tired because he ________since dawn.
A. was working
B. has worked
C. had been working
D. has been working
微信支付 
支付宝支付