摘要：A. doing B. to do C. what to do D. how to do [分析] 选D.在动词show, teach, tell 后面往往用\"疑问词 + 动词不定式\"作宾语补足语. 三. it 的用法归纳 it常用来指事物或某一件事情.也可以用来指时间.天气.距离等.在特定的语境中it 也可以用来指身份不明的\"人\", it 用来作形式主语或形式宾语.用来代替后面的动词不定式或者从句,它还常常用于固定句型中. 四. it 典型考例及分析 1. -A latest English newspaper, please! -Only one copy left. Would you like to have , sir? A. it B. one C. this D. that [分析]选A.这里用it 用来指物.指上文的only one cop. 2. -Who taught English last term? Was Mr Smith? -No, Miss White did. A. you; it B. you; he C. your; it D. your; that [分析] 选A.当不清楚某人的具体情况时往往用it来指人.如有人敲门时可以说Who is it? 3. Most kids find interesting to play football. A. it B. this C. that D. one [分析] 选A.这里的it 用来作形式宾语.用来代替后面的动词不定式to play football.

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