精选优质文档-倾情为你奉上1. Lets discuss the question raised last night, shall we?-There is no hurry for that. Besides, I _ for a conference.A. headedB. was headingC. have headedD. am heading2. Ive heard Bob _ back from his journey to Africa. -What about visiting him now?A. had comeB. was comingC. would comeD. has come3. Tony is a lawyer now, but he _ in a delivery company for six years.A. has servedB. had servedC. was servingD. served4. When I wa
