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19、The ground is slippery. Hold on to the rope and don’t          .

A．put off  B．turn up  C．let go   D．take apart

18、---Have you telephoned your father?

---Yes. He        back next year.

A．expects              B．is expected 

C．will expect         D．will be expected

17、---May I speak to your manager Mr. Williams at five o’clock tonight?”

---“I’m sorry, Mr. Williams         to a conference before then.”

A．will have gone                       B．had gone

C．would have gone                      D．has gone

16、We have all learnt that nature is like a balanced net,       humans are just a very small part, together with animals, plants, air and more.

A．which    B．whose    C．that D．where

15、--Let’s go to the Smiths’ this weekend.

---                .

---I’ll say good—bye to them before I leave.

A．That’s just my idea.                B．What for?

C．Thanks a lot.                        D．I’d like to

14、---I heard you were invited to the president’s party.

---Yes. I was surprised at how easy the president was              .

A．for talking  B．talking to   C．to talk  D．to talk to

13、You’d better voice your opinion publicly     you feel it the best time for it at the meeting.

A．that B．until    C．when D．where

12、---Can I pay the bill by check?

---Sorry, sir. But it is the management rules of our hotel that payment   be made in cash.

A．shall    B．need C．will D．can

11、This problem may lead to more serious ones if          unsolved.

A．making   B．left C．remained D．keeping

10、When I came in that evening, the door of the Cockney’s sitting room was open and          , stamping of fleet, and television music.

A．through it came laughter            

B．laugher came through it

C．came laughter through it

D．it through came laughter