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2017年高考英语二轮专题复习命题预测14 单选 1. They ______on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far. A. had been working; are still working B. had worked; were still working C. have been working; have worked D. have worked; are still working 2. Father ____ for London on business upon my arrival, so I didn’ t see him. A. has left B. left C. was leaving D. had left 3. Years ago we didn’t know this, but recent science ______that people who don’t sleep well soon get ill. A. showed B. has shown C. will show D. is showing 4. My brother is an actor. He _____in several films so far. A. appears B. appeared C. has appeared D. is appearing 5. Listen to the two girls by the window. What language_________. A. did they speak B. were they speaking C. are they speaking D. have they been speaking 6.—Hurry up! Alice and Sue are waiting for you at the school gate. --- Oh! I thought they ____ without me. | 
