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
You can’t imagine that a well-behaved gentleman __________ be so rude to a lady.
#63029
A
must
B
would
C
should
D
could
— Can I go to the movie, Mum?— Certainly. But you _______ be back by ten o’clock.
#76644
A
can
B
may
C
might
D
must
Don’t put off today’s work for tomorrow. I mean, today’s work______ today.
#76911
A
may do
B
must do
C
may be done
D
must be done
Look at the sign! It says: You______ park your cars here.
#74232
A
mustn’t
B
needn’t
C
shouldn’t
D
can’t