1.Air pollution ____,this city is still a good place to live in.
A.being greatly reduced B.greatly being reduced
C.to greatly reduce D.greatly to reduce
2.Weather _____,the picnic will be held as scheduled.
A.permits B.should permit C.will permit D.permitting
3.If the building project ___ by the end of this month is delayed,the construction company will be fined.
A.being completed B.is completed C.to be completed D.completed
4._____ a teacher in a university,it is necessary to have at least a master’s degree.
A.To become B.Become C.One becomes D.On becoming
5.The concert usually takes place at the People’s Square,with the audience ______ on the ground.
A.seating B.seated C.be seating D.to seat
6.If I had remembered ______ the window,the thief would not have got in.
A.to close B.closing C.to have closed D.having closed
7.Imagine my surprise when I saw one man in the car ____ a pocket book and begin to read.
A.pulled out B.pull out C.pulling out D.to pull out
8.He spoke to the girl kindly ______ her.
A.not to frighten B.so as not to frighten C.in order not frighten D.for not frightening
9._____ with the size of the whole earth,the highest mountain doesn’t seem high at all.
A.When compared B.While comparing C.Compare D.Be compared
10.Some who could achieve success in their own times would find it difficult ______ today.
A.to get a name B.get a name C.to have got a name D.to getting a name
11.Do not leave things _____.
A.unfinish B.unfinishing C.not to be finished D.unfinished
12.Many Americans worry about leisure and hurry from one activity to the next,___ little time to stop and think.
A.leave B.leaving C.left D.to leave
13.The students are forbidden,unless they have special passes,＿＿＿ after 11 pm.
A.to stay out B.from staying out C.staying out D.not to stay out
14.＿＿to sunlight for too much time will do harm to one’s skin.
A.Exposed B.Having exposed C.Being exposed D.After being exposed
15.John could do nothing but ＿＿to his father that he was wrong.
A.admitting B.admits C.admit D.to admit