84.The crazy fans（）patiently for two hours and they would wait till the movie star arrived.

41.It is certain that he will（ ）his business to his only daughter when he gets old.

40.The（ ）production of engines in our factory has doubled this year.

39.While studying at U.C.L.A.,Mr.Wang（ ）his old friend, whom he has not seen for nearly twenty years.

38.There is too much noise outside. I can not（ ）my attention on my work.

37.In fact, there is no（ ）liberty in any country.

36.The thief was（ ）by the police at the railway station.

35.The scientists are trying to find out the facts to（ ）their theory.

34.The old houses are being pulled down to（ ）a new office building.

33.One of the best ways for people to keep fit is to（ ）healthy eating habits.

32.—— Take these medicines three times a day, Peter?—— Do I have to take them? They（ ）so terrible.