As nobody here knows what is wrong with the machine, we send for an engineer to handle the problem．
#63675
A
should
B
must
C
can
D
would
推荐题目
—Bad news? —If you ______ know, Li Na got defeated again in the first round!
#63506
A
can
B
will
C
shall
D
must
---Be quiet! Mr Smith is coming. --- Don’t worry. It__________be him. Mr Smith is much taller.
#74432
A
mustn’t
B
must
C
can’t
D
needn’t
— Do you know where Mary is? I couldn’t find her anywhere. — Well . She have gone far—her coat’s still here.
#62769
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
--- May I smoke here? --- If you , choose a seat in the smoking section.
#63523
A
should
B
could
C
must
D
may
You ______ be hungry already--- you had lunch only two hours ago!
#63140
A
mustn’t
B
wouldn’t
C
can’t
D
needn’t