用括号中动词的一般过去式,现在完成时,现在完成进行时填空 1.They a house fire.（just put out）

题目

用括号中动词的一般过去式,现在完成时,现在完成进行时填空 1.They a house fire.（just put out）
用括号中动词的一般过去式，现在完成时，现在完成进行时填空 1.They a house fire.【just put out】 The fire fighters ____over 200 fires last year.【put out】 Some of the older fire fighters _____fires for years.【put out】 2.“We________ for some days now to find out how the accident happened,“the inspector said .【try】 Yesterday we ________to duplicate the exact circumstances.【try】 We ____________three times now to reconstruct the accident.【try】3.”I ___________-for twenty years “the woman admitted.【smoke】 “I __________15 cigrettes so far today” she said【.already smoke】 “But I _______my last cigarette five minutes ago “she said.【smoke】 4.John _________about his new girl friend all last night.【think】 He __________about no one and nothing else since they first met.【think】 He feels that he __________about her his whole life.【think】

答案

1.have just put out,put out ,have been putting out2.have been trying ,tried ,have tried3,have been smoking,have smoked ,smoked4.thought ,has thought ,has been thinking.