题目内容
16._____ the windows before you leave the classroom.( )| A. | To close | B. | Closing | C. | Closed | D. | Close |
分析 离开教室前要关上窗户.
解答 答案:D.
根据…the windows before you leave the classroom,结合选项可知意思是离开教室前要关上窗户.这里动词位于句首表示一种请求或命令,可知句子是一个肯定祈使句,其构成是:动词原形+其他;故选D.
点评 在学习中熟练掌握知识点,做题时先找出考点(祈使句),根据它的构成结构(动词原形开头)结合语境来选出正确的答案.
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