----Where is my watch? I _______ find it. ----Don’t worry. It must be somewhere in your room. 
#75367
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
推荐题目
You _______ call him if you want to, but you _______, for he’ll surely come here soon. 
#62741
A
may; mustn’t
B
can; needn’t
C
have to; needn’t
D
can; doesn’t need
If you don’t tell him the true story, _______________. 
#63345
A
nor do I
B
I do neither
C
nor will I
D
I will nor
Oh, I’m not feeling well in the stomach. I _____ so much fried chicken just now.
#63228
A
shouldn’t eat
B
mustn’t have eaten
C
shouldn’t have eaten
D
mustn’t eat
As it turned out to be a problem of no importance , we     so much time looking into it . 
#62607
A
needn’t spend
B
didn’t have to spend
C
needn’t have spent
D
oughtn’t to spend