Question

【题目】Wood is very useful. It________many kinds of things.

A.is used to makeB.is used to makingC.used to makeD.used to making

Answer 1

【答案】A

【解析】

句意：木头很有用。它被用来做很多种东西。

used to do sth. 过去常常做某事，(意思现在不做了)，排除选项C；be used to doing sth. 是指习惯于做某事。(这里的to 是介词)。而本题的It是指上文提到的wood，做主语应该用被动语态。故选A。