-Why are you looking so worried? Is there anything I can do for you?-The computer        break down when I nearly finished my composition.
#62970
A
can
B
should
C
must
D
dare
推荐题目
----- I’m sorry . I ________ at you the other day .  ----- Forget it. I was also a bit out of control of myself.
#62780
A
shouldn’t shout
B
mustn’t shout
C
shouldn’t have shouted
D
mustn’t have shouted
—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
 —________ I swim here?—I’m sorry. Children _______ swim alone here.
#76532
A
Must , can’t
B
May , must
C
Can, mustn’t
D
Can’t can
—Must I do my homework now, Mum?—_______. You can do it tomorrow.
#76333
A
No, you needn’t
B
No, you mustn’t
C
Yes, you need
D
Yes, you must