—Could you please have a walk with me?—Sorry, I _______. I have something important to do now.
#74182
A
mustn’t
B
needn’t
C
can’t
D
may not
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--- Don't worry. I've just sent an ambulance to you. They ________ be there any second.
#63010
A
could
B
might
C
would
D
should
It was so dark outside that the little child ________ go out by himself.
#62941
A
dare not to
B
dared
C
dares
D
didn’t dare to
—Must I go to the shop with you，Mum?—Err... I can make it myself，Mike. You go with me.
#76344
A
mustn’t
B
shouldn’t
C
wouldn’t
D
needn’t
My new pen ______. Who ______ have taken it?
#62850
A
has been disappeared; can
B
has disappeared; could
C
is missing; should
D
has been lost; may