---How did you do in the test yesterday? -----Not so well. I ______ much better but I misread the directions for writing.   
#63231
A
will have done
B
could have done
C
must have done
D
may have done
推荐题目
Mum prepares breakfast for us every morning, so she __________ early.
#77758
A
used to get up
B
is used to get up
C
used to getting up
D
is used to getting up
—May I swim here?  — No, you _______.  It is dangerous.
#75700
A
won’t
B
needn’t
C
mustn’t
D
don’t have to
—Show me your permit, please.—Oh, it's not in my pocket. It ________.
#62323
A
must have fallen out
B
might fall out
C
could fall out
D
should have fallen out
It’s quite warm here; we __________turn the heating on yet.
#63494
A
couldn’t
B
mustn’t
C
needn’t
D
wouldn’t
—Must I go with you?—No, you ________.
#76477
A
needn’t
B
shouldn’t
C
mustn’t
D
can’t