作业帮高一2道简单选择题的疑问The boy wanted to ride his bicycle in the street, but his mother told him ( ).A.not to do B.not to C.not do it D.do not to答案：B为什么不用加do?Someone is ringing the doorbell. Go and see ( ).A.who is he
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高一2道简单选择题的疑问The boy wanted to ride his bicycle in the street, but his mother told him ( ).A.not to do B.not to C.not do it D.do not to答案：B为什么不用加do?Someone is ringing the doorbell. Go and see ( ).A.who is he
高一2道简单选择题的疑问
The boy wanted to ride his bicycle in the street, but his mother told him ( ).
A.not to do B.not to C.not do it D.do not to
答案：B
为什么不用加do?
Someone is ringing the doorbell. Go and see ( ).
A.who is he B.who he is C.who it is D.who is it
答案：C
B为什么不行?
高一2道简单选择题的疑问The boy wanted to ride his bicycle in the street, but his mother told him ( ).A.not to do B.not to C.not do it D.do not to答案：B为什么不用加do?Someone is ringing the doorbell. Go and see ( ).A.who is he
前面出现了ride his bicycle,所以后面省略了do（ride his bicycle）
翻译过来就比较明显了：
那个男孩想骑车上街,但是他的母亲不让他去（骑车）
因为我们只听到门铃,无法知道门外的人的性别,所以统一用代词 it 或者 that 代替