— It _______ be Jack who is in the office.— No, it _______ be him. I saw him off at the airport half an hour ago.
#89500
A
can’t ; can’t
B
must; can’t
C
must; mustn’t
D
may; mustn’t
推荐题目
The scientists are urging that the chemical _____．
#87240
A
is banned
B
should ban
C
be banned
D
must be banned
The students have made a request that the reading-room ＿＿ open on Sunday afternoon.
#87212
A
stay
B
stays
C
must stay
D
will stay
I wish I_________ longer this morning, but I had to get up and come to class.
#86644
A
slept
B
had slept
C
might have slept
D
have slept
Had I learnt English well, I____ the interview for the job tomorrow.
#88158
A
would take
B
would have taken
C
shall take
D
could be taken