Water ____ be changed into vapour but it ____ be heated to its boiling point .
#89755
A
may ; can
B
can ; must
C
may ; needn''t
D
must ; may
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--Can I have something to eat, Mum? I feel hungry. -- You ____ be hungry. You’ve just had some bread and ham.
#87951
A
mayn’t
B
won’t
C
mustn’t
D
can’t
We’ll be free tomorrow，so I suggest ______ to the history museum.
#89501
A
to visit
B
visiting
C
we should visit
D
a visit
Sir, you ______ be sitting in this waiting room. It is for women and children only.
#87994
A
oughtn’t
B
shouldn’t
C
won’t
D
needn’t
But for their help，we the program in time.
#90489
A
can not finish
B
will not finish
C
had not finished
D
could not have finished
You____________ this morning if you really wanted to see it yourself.
#89224
A
ought to come
B
might have come
C
ought to have come
D
can have come