. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
#103811
A
he worked
B
did he work
C
he has worked
D
has he worked
推荐题目
My mind wasn't on what he was saying，so I'm afraid I ________ half of it.
#99744
A
was missing
B
had missed
C
will miss
D
missed
—Why haven’t you asked her to come here?—She _______ an important experiment when I found her and she _____ it.
#103052
A
had done ; didn’t finish
B
was doing ; hasn’t finished
C
did ; wouldn’t finish
D
did; hadn’t finished
---Any advice for me?---You’d better the timetable to see when the train leaves.
#99662
A
consult
B
recommend
C
remind
D
request
—What’s that noise, John?—Sorry, Linda．I forgot to tell you．The school library ______．
#102394
A
is rebuilt
B
is being rebuilt
C
was rebuilt
D
has been rebuilt
The little boy is dirty from head to foot because he ________ in the mud all morning.
#104514
A
has played
B
is playing
C
has been playing
D
was playing