A. need't have hurried B. needed not to hurry C. had not needed to hurry D. didn't need to hurry
A. will have collected B. is going to collect C. will be collecting D. is about to collect
A. can't B. needn't C. mustn't D. shouldn't
A. knowing B. known C. to be known D. having known
A. attending B. to attend C. attend D. attended
A. To wait B. have waited C. Having waited D. To have waited
A. summer'sclothes B. summer clothes C. summers'clothes D. summer cloth
A. the train had started B. the train had been started C. had the train strated D. did the train start
A. that I saw B. I could see C. I did see D. did I see
A. has been sent B. has sent C. have been sent D. have sent