33．A cook will be immediately fired if he is found________ in the kitchen．

　　 A．smoke　　　 　　　 B．smoked　 　　　　　 C．to smoke　　 　　　 D．smoking

32．Come and see me whenever________．

　　 A．it will be convenient to you　 　　　　　　　 B．you will be convenient

　　 C．it is convenient　　　　　　 　　　　　　 D．you are convenient

31．He made a mistake, but then he corrected the situation________ it got worse．

　　 A．as　 　　　　　　 B．before　　　 　　C．when　　　 　　D．even though

30．_________, his spoken English has improved a lot．

　　 A．Having bought an English-Chinese dictionary

　　 B．Since he was taught by an American

　　 C．With a lot of time was spent in practicing

　　 D．Determined to study better

29．It is very hot and dry, but it_________ to be cool in the evening．

　　 A．hopes　　 　　　　 B．promises　　 　 C．expects　　 　　 D．wants

28．It suddenly_________ to me that he might be the thief we had been hunting for．

　 　A．comes　　 　　　 B．referred　　　 　　 C．happened　　　 　 D．occurred

27．He was ________ today, but was asked to stay _________ week．

　　 A．to have returned / another　　　 　　　　 B．to return / other

　　 C．returned / another　　　　　　 　　　　 D．returning /one more

26．It is he, rather than you, that _______for the accident．

　　 A．is to blame　　 　　 B．are to blame　 　　 C．is blame　　 　　　 D．are blamed

25．As is known to all, _________tiger is in_________ danger of becoming extinct．

　　 A．the/the　　 　　　 B．a/x　　　　 　　 C．a/a　　　 　　　 D．the/x

24．I lived with my brothers this summer and didn’t have to pay rent．So I　 _________．

　　 A．should　　 　　　 B．was able to　　 　 C．could　　　 　　 D．would