You'd better take a heavy coat. Sometimes it ______ be very cold.
#62639
A
should
B
can
C
will
D
must
推荐题目
Li Lei isn’t ____ Liu Ming. 
#77741
A
tall as
B
as taller as
C
as tall as
D
as the taller as
—Must I water the flowers now?  —No, you ________ . You __________ do it later.
#74201
A
mustn’t, must
B
mustn’t, may
C
needn’t, may
D
needn’t, must
-Must I make the writing plan now? - No, you______. You______ finish it tomorrow.
#74957
A
needn’t, must 
B
don’t have to, may
C
mustn’t, may
D
mustn’t, must
Their answers are exactly the same. One of them ___ from the other.
#62605
A
must copy
B
must have copied
C
should copy
D
should have copied