25. –I’m sorry but I must be going off now.　 --Ok, __________.

A．So long　　　 　　　　　　　 B．Walk slowly　　　 　　　 C．Be careful　　　 　　　　　　　 D．Take your time

24. Can you think of some cases ___ drivers obviously knew the traffic rules but didn’t obey them?

　　 A．why　　　　　 　　　　　　　 B．where　　　　　　 　　 C．as　　　　　　 　　　　 D．which

23. It is such a difficult problem _______ no one can work out.

A．as　　 　　　　　　　　　 B．that　　　　 　 　　　 C．so　 　　　　　　　　 D．thus

22. –Well, where did you spend your night that day?　 --At __________.

A．where it is called Grand Hotel　　　 　B．what is called Grand Hotel

C．which is called Grand Hotel　　　　 　D．that is called Grand Hotel

21. –Have you seen the film?　 --Yes. I __________ it three times when I was in Tokyo.

A．saw　　　 　　　　　　　　 B．had seen　　　　 　　　 C．have seen　　　 　　　　　　　 D．was seeing

20. Failure is the mother of success. ______ your courage and you’ll succeed.

　 A．Keep off　　　　 　　　　　　 B．Keep out　　　　　 　　　 C．Keep up　　　 　　　　　 D．Keep on

19. When she came several days later, she found that all things still ______ where she had ________ them.

A．lay; laid　　　 　　　　　　　　　　 B．laid; laid　　　 　　　　　 C．lay; lain　　　　 　　　　 D．lying; laid

18. They had a pleasant chat _____________ a cup of coffee.

A．with　　　　　　 　　　　　　 B．during　　　　 　　　　　 C．over　　　　　 　　　　　　 D．for