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
You trust an online shop just because it has a beautifully-designed website.
#63254
A
shouldn’t
B
mustn’t
C
couldn’t
D
needn’t
—Do you know ? —I’m not sure, maybe he is an artist.
#77386
A
who is the man
B
what is the man
C
who the man is
D
what the man is
一What will the weather be like tomorrow?一It be rainy ,cloudy or sunny．Who knows? Even the weather report is not always right.
#74092
A
must
B
might
C
should
D
can
---The man in a black suit _______ be our youth worker.---It _______ be him. I saw him in the classroom building some minutes ago.
#76118
A
can; could
B
must; can’t
C
can; mustn’t
D
must; won’t