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
—________I do the laundry first, Mum?—No, you ________. You can do your homework first.
#75490
A
Must; mustn’t
B
Can; mustn’t
C
Must; needn’t
D
May; needn’t
 ---Why hasn’t Jane arrived yet?  ---She ______ again in the morning.
#62660
A
shouldn’t have overslept
B
may have turned off the alarm clock
C
must have no one to call her
D
should have someone to wake her up
You ______ be hungry already--- you had lunch only two hours ago!
#63140
A
mustn’t
B
wouldn’t
C
can’t
D
needn’t