—I’m just going to finish the work off first.—Go on if you _______.
#63036
A
can
B
may
C
must
D
shall
推荐题目
If you don't know the word, you can _____ in the dictionary. 
#75135
A
look it after
B
look at it
C
look for it
D
look it up
You       buy a gift, but you can if you want to.
#62926
A
must
B
mustn't
C
have to
D
don't have to
You          drive your car so fast. It’s dangerous.
#74761
A
wouldn’t
B
shouldn’t
C
couldn’t
D
mightn’t
---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.
#63211
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time