问题

When the expert gave a talk, the meeting room was very quiet. All of us listened to him _______.
A:sold them out
B:have sold them out
C:sold out them
D:have sold out them;
B:have sold them out
C:sold out them
D:have sold out them;
正确答案是:
同类题型
know Tom,the manager of that company -Of course,I know him,By next month,I______him for 10 years.
ou sing and dance at this late hour of thenight-Sorry, I will stop right now
er to repay the money theyborrowed, 60 % of the farmers _____cash crops
It is______ of you to rush into the teachers’ office without knocking at the door.
Sorry, I’ve got an important appointment at 9 o’clock and I can’t _______ to miss it.