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m late. Have you been waiting long? Hi, Tracy, you look tired. I am tired. I ___ the living room all day. A. painted B. had painted C. have been painting D. have painted She ___ letters all morning and felt tired. A. has been writing B. writes C. has written D. had been writing Isn’t it hard to drive downtown to work? Yes, that’s why I ____ to work by train. A. have been going B. have gone C. was going to D. will have gone 【 體驗 】 用 already, yet, never, ever,just填空。 You look hot and tired. Have you been exercising? I39。 have put D. were you putting。 have put B. have you put。 haven’t found D. is missing。 don’t find B. is missing。 The price ___, but I doubt whether it will remain so. A. went down B. will go down C. has gone down D. was going down 表示已發(fā)生的動作 All the preparations for the task__, and we’re ready to start. A. pleted B. plete C. had been pleted D. have been pleted 過去的動作“完成了準備工作”,對現(xiàn)在的影響是“現(xiàn)在已準備出發(fā)了”。 I’m sorry to keep you waiting. Oh, not at all. I ___ here only a few minutes. A. have been B. had been C. was D. will be “(for) only a few minutes”說明幾分鐘前來了這里,一直到現(xiàn)在。 had fotten D. had spoken。 had fotten B. spoke。 (結(jié)果:他已不在這兒) Can you make sure ___ the gold ring? A. where Alice had put B. where had Alice put C. where Alice has put D. where has Alice put 使用現(xiàn)在完成時表示過去發(fā)生的“放”的動作對現(xiàn)在的影響,究竟金戒指現(xiàn)在“在哪里”。 完成性用法,表示動作或狀態(tài)到說話時已經(jīng)完成,通常所產(chǎn)生的結(jié)果把過去的動作和狀態(tài)和現(xiàn)在聯(lián)系起來。 : since…, for…,