57.______ that the problem was more than he could deal with,he called the police for help.
A.Having been realized B.To realize
C.Realized D.Realizing
56. Being in no great hurry,______.
A.we went the long route with scenery
B.the long,scenic route was our preference
C.we took the long,scenic route
D.our preference was taking the long,scenic route
55.I was so badly ill that I couldn’t help ______ the room.
A.clean B.cleaning C.being cleaning D.to be cleaned
54. ______your composition carefully,some spelling mistakes can be avoided.
A.Having checked B.Check C.If you check D.To check
53.Try to use traveler’s cheques if possible and avoid ______too much money.
A.to bring B.bringing C.to have brought D.having brought
52. ______ full preparations,we decided to put off the meeting till next week.
A.We did not make B.Having not made
C.We had not made D.Not having made
51.-Why was he fined?
-He happened to ______ flowers in the park.
A.be seen step on B.be seen picking C.be caught to pull D.catch damaging
答案:B
50.The bird flu ______through Asia has jumped from birds to humans at least 20 times so far,______16.
A.sweeps;killed B.swept;killing
C.sweeping;to kill D.sweeping;killing
49.A cook will be immediately fired if he is found ______in the kitchen.
A.smoke B.smoking C.to smoke D.smoked
48.It is said that in Australia there is more land than the government knows ______.
A.it what to do with B.what to do it with
C.what to do with it D.to do what with it