35．It seems water _____ from this tap for some time. We’ll have to take it apart to put it right.

A. had leaked　　　　　　 B. is leaking 　　　　　　 C. leaked　　　　　　　　　 D. has been leaking

34．Although there is no life on Mars now, some scientists think that there 　　　　　some form of

life a long time ago .

A．must be　　　　　　　 B．may have been　　 C．can have been 　　 D．could be

33．-What do you think of the book Harry Potter?

-Harry Potter is a world of magic and wonders, _______ anything can happen.

A．the world which　 B．the world where C．a world which 　　 D．a world where

32．- Which of those electronic dictionaries do you like most?

-________. They are both expensive and of little use.

A．None　　　　　　　　　 B．Both　　　　　　　　　 C．Neither　　　　　　　 D．All

31．In 1492, Columbus and his crew arrived _______was so-called the New World by the westerners.

　　　 A．what　　　 　　　 B．in what 　　　　　　　 C．where 　　　　　　　　 D．in which

30．This new model of car is so priced that it is _______ the reach of those with average incomes, so

that many of us can afford to buy one.

A．over　　　　　 　 B．beyond　　　 　　 C．within　 　　　　　　 D．below

29．Don’t leave the water ____ while you brush your teeth.

　　　 A．running　　　　　　　 B．run　　　　　　　　　　 C．being run　　　　　　 D．to run

28．The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and

throat.

　　　 A．causing　 　　　　　　 B．being caused　 　　 C．to have caused 　　 D．to be caused

27．I would appreciate _____ very much if you could give me some suggestions.

　　　 A．this　　　　 　　　　　　 B．that　　　　 　 　　　　 C．it　　　　　　　 　　　　 D．you