第九章练习题：动词的时态语态
一．用所给动词的适当形式填空
1.Why __________ you __________(waste)time on selling shoes on Taobao?
答案：are；wasting
2.I __________(know)him very well，but I haven’t seen him since this week.
答案：know
3.—Ten dollars，please!
—How terrible！I __________(forget)to bring my wallet with me.
答案：forgot
4.—What’s the matter，Alice？You look sad.
—Oh，nothing much.As a matter of fact.I __________(think)of my friends back home.
答案：was thinking
5.—Have you brought the camera?
—Oh，my poor memory！I __________(mention)before leaving home.
答案：had been mentioned
6.State workers who take advantages of their power to obtain illegal gains will __________(investigate)and severely __________(punish)．
答案：be investigated；punished
7.The damage to the building __________(examine)by teams of experts when the boss arrive
