He ______ it on schedule, but somehow he fell behind.
#62908
A
must have done
B
might finish
C
could have finished
D
could finish
推荐题目
It’s time _____ class. You must _____ the classroom.
#75805
A
to; to go
B
for; go to
C
to; to go
D
for; to go
--- The drought situation has been severe these days．--- If it had rained even a drop, things would be much better now and many crops ____．
#63205
A
wouldn't die
B
would die
C
wouldn't have died
D
would have died
－Shall we go hiking this Sunday? －Sorry, I _______. I’ll have to take a piano lesson.
#74286
A
may not
B
can’t
C
needn’t
D
mustn’t
---Be polite . You _____ talk to the old like that ! ---Sorry , I won’t .
#75286
A
needn’t
B
wouldn’t
C
mustn’t
D
couldn’t