Sometimes smiles around the world ______ be false, hiding other feelings like anger, fear or worry.
#62758
A
must
B
would
C
should
D
can
推荐题目
— Must they clean and tidy the classroom now? — No, they      . It       after school in the afternoon.
#78237
A
mustn’t; must clean
B
needn’t; must clean
C
mustn’t; need be cleaned
D
don’t have to; can be cleaned
Who ____ table tennis?
#75890
A
can play the
B
can playing
C
can play
D
can to play
Mr Black   be at home because she called me from England just now.
#76189
A
mustn't
B
isn't able to
C
can't
D
may not
You ______ park here! Don’t you see “No Parking” beside you?
#63201
A
needn’t
B
mustn’t
C
won’t
D
couldn’t