—May I take photos in the museum? —No, you . You obey the rules here.
#74471
A
may not; can
B
mustn’t; may
C
can’t; can
D
mustn’t; must
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Even a drop of water ______because it is so important to all the living things.
#76903
A
must waste
B
must be wasted
C
mustn’t waste
D
mustn’t be wasted
--- 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
You’d better put away the magazines you have read, for they _______ be of great use later.
#62695
A
shall
B
need
C
can
D
must
—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
--- Isn’t it Ann’s husband over there?---- No, it ______ be him---I’m sure he doesn’t wear glasses.
#62835
A
can’t
B
must not
C
won’t
D
may not