题目

— What were you up to when your parents came in?    — I＿＿for a while and＿＿some reading. A. was playing； was going to do     B. played； did C. had played； was going to do      D. had played； did 答案：C 解析: play 在came in 之前已完成，而do some reading 的动作则即将开始。

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