55.Every morning at seven______,the CCTV_____the latest news at home and abroard.

A.sharp;broadcasts　 B.sharply;reports　　 C.exactly;announces D.o’clock; tells

54.If you have time for tea,I’ll______it for you in a minute.

A.serve　 　　　　　　B.boil　 　　　　　　　C.make 　　　　　　D.cook

53.------Look at the heavy rain._____it would stop!

------Yes,it’s been like this for a whole day.

A.Even if　 　　　　　B.Only if 　　　　　　C.As if　 　　　　　D.If only

52.The 2008 Olympic Games,_____in Beijing,are expected to be a great success.

A.held　　　　　　　 B.to be held　　　　 C.being held　　　 D.to hold

51.I would most love you _____the party yesterday,but you had to work extra hours.

A.to attend　　　　 B.attending　　　　　 C.to have attended D.having attended

50.-----We really appreciate you inviting us to such a super fulvous dinner.

------________

A.Don’t mention that　　　　　　　　　　 B.With great pleasure　

C.We are glad you have come　　　　　　　 D.hope you enjoyed yourself.

49.I don’t really think he has kicked off his bad habits;he_____.

A.just smoked　　　 B.was just smoking　 C.did smoke　　　 D.had just smoked

48._____himself in thought,he almost ran into the car in front of him.

A.Lost　　　　　　 B.Losing　　　　　　　 C.having lost　　 D.having been lost

47.You had best check that the soft disk works perfectly____you copy any file.

A.unless　　　　　 B.since　　　　　　　 C.while　　　　　 D.before　

46.We can settle ____difficult problems if united rather than divided.

A.some　　　　　　 B. so　　　　　　　　 C.however　　　　 D.whatever