1______ such heavy pollution already,it may now be too late to clean up the river.
  A.Having suffered   B.Suffering     C.To suffer    D.Suffered

2 The Olympic Games,_____ in 776 B.C.,did not include women players until1912.  
A.first playing                B.to be first played     C.first played                 D.to be first playing 
 
3 When I got back home I saw a message pinned to the door __
―Sorry to miss you;will call later.‖  
A.read         B.reads        C.to read         D.reading
 
4 —You were brave enough to raise objections at the meeting.  
—Well,now I regret _______ that.  
A.to do      B.to be doing     C.to have done     D.having done 
 
5 The purpose of new technologies is to make life easier,_______ it more difficult.  
A.not make     B.not to make    C.not making      D.do not make  
 
6 _______ is a good form of exercise for both young and old.  
A.The walk       B.Walking       C.To walk      D.Walk  
 
7 ____ late in the morning , Bob turned off the alarm. 
A. To sleep       B. Sleeping       C. Sleep       D. Having slept 
 
8.____ a letter from her parents, Lily is now looking forward to ____ from them. 
A. Having not received; hear         B. Not received; hear
C. Not having received; hearing        D. Receiving not; hearing 
 
9. I would love _____ to the party last night but I had to work extra hours to finish a report.  
A. to go        B. having gone       C. going      D. to have gone
 
10. Mrs. Smith warned her husband _____ after drinking again and again.  
A. never to drive                   B. to never drive  
C. never driving                    D. never drive 
 
【答案解析】
   1-5 ACDDB   6-10 BACDA