–I’m not good at English, Amy. What should I do?--You      practice it more. For example, you      read English every morning.
#74275
A
should; shall
B
should; could
C
could; will
D
must; are able to
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You ______ do it if you really don’t want to.
#76709
A
can’t
B
couldn’t
C
needn’t
D
mustn’t
 —Can your friend sing?--______.
#74774
A
Yes,I can
B
Yes, he can
C
No,she can
D
No,I can’t
I was really anxious about you. You______ home without a word.
#63295
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave