题目内容

2. ―What is this_used for?

―A lot of things._, we can use it to wash our cars

easily.

A.inventor;For example B.invention ; Such as

C.inventor;Such as D.invention;For example


2D根据句意和常识,不是"发明者"(inventor)用来干什么, 而是"发明"(inVenticm〉用来干什么;表示列举事例,且后面有 逗号,用for example0
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