2013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.
