18．Everyone must have known the death of the waitress, __________?
| A．must they | B．mustn’t they | C．haven’t they | D．have they |
Mary is often heard ________ playing piano in the next room in the evening.
| A．practise | B．to practise | C．practising | D．practiced |
What has started as a Chicago morning program in 1984 has now turned into one of the most popular daytime chat shows ever _____ on TV.
| A．tobe seen | B．tosee | C．seeing | D．has been seen |
In the UK, what impressed exchange students most was the Student Activity, ______ they could get lots of information outside.
| A．where | B．that | C．which | D．when |
—Have you persuaded him?
—Yes. After some hours of discussion, I______to reason him in accepting the new plan.
| A．had managed | B．would manage | C．have managed | D．managed |
A man who shows no honour should expect ______ from a gentleman.
| A．no one | B．nothing | C．no | D．none |