题目内容
7．-What is your brother doing in the study？-He ________ his homework．（ ）| A． | is doing | B． | did | C． | does |
分析 -你弟弟正在书房里干什么？
-他正在做他的作业．
解答 答案：A
根据问句中现在进行时问正在干什么，答句中回答正在做作业，选择现在进行时：be+v-ing形式，主语又是他he，所以be动词用is，故选A．
点评 本题考查现在进行时，表示现在或现阶段正在发生或持续的动作．与现在进行时连用的时间状语及提示语有：now，these days，right now，at present，at this moment，look，listen等．其结构是be+v-ing形式．
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