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1. Mr Smith's plane _______ . Let's wait for him here . A. hasn't arrived B. didn't arrive C. doesn't arrive D. couldn't arrive 2. Almost all the water _______ gone . Please save water ! A. are B. is C. have D. were 3. - Look ! There is a tall tree over there . Can you _______ , Dave ? - Yes , let me have a try . A. fall off it B. send up C. come down it D. climb up it 4. Mr Li is out . But he _______ here ten minutes ago. A. was B. is C. will be D. would be 请下载附件： 点击下载 (责任编辑：admin) |