You _______ see a dentist when you have a toothache.
#78314
A
may
B
need
C
should
D
can
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You’d better take another flight to New York , for the AA 505 Flight ______ have been cancelled. But you should call the airport to make sure.
#62187
A
must
B
might
C
would
D
should
-- Whose French book is it?-- It __________ be Lucy’s. Look! Her name is on the book!
#74121
A
must
B
mustn’t
C
might
D
can’t
—I think the man over there must be Bob.—It ______ be him. He has gone to Paris.
#76009
A
can’t
B
can
C
may not
D
mustn’t
This book _____ Lucy’s. Look! Her name is on the book cover.
#75339
A
must be
B
may be
C
can’t be
D
mustn’t be
—Who bought you the fresh flower?—It’s from my girlfriend, if you ______ know.
#62251
A
have to
B
must
C
will
D
might