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