题目

—Do you know what Jack does all day? —He spends at least as much time watching TV as he ________. A. studies            B. does studying      C. is studying           D. does study 答案： B   本题考查句式spend some time in doing sth．意为“花费时间干某事”，其中in可省略。does为代动词，代替前面的spends。句意为“你知道Jack整天干什么吗?”“他看电视的时间至少和学习的时间一样多”。   

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