精选优质文档-倾情为你奉上教学内容:一、课前导入1. Has your friend completed his design?Not yet. He _ on it last night.A. worked B. has worked C. is working D. was working 2. Mr. Fan _ this watch in 2005. he _ it for 6 years.A .bought, has had B. bought, has C. has bought, has had D. has bought, had3. -Mr.Johnson,wehavefoundyourwatch.-Mywatch! Thankyou.Where_it?A.doyoufind B.haveyoufound C.didyoufind D.wereyoufinding