问题 选择题

Metal ______making machines and many other things.

A.used to

B.is used for

C.is used as

D.is used to

答案

答案:B

题目分析:句意:金属常用语制造机器和许多别的东西。is used for doing sth=" is" used to do sth 被用来做某事,故选B

点评:be used to do sth被用来做某事;be used to doing sth习惯于做某事及used to do sth过去常常做某事,是中考必须掌握的基本语言点。其中,used to do sth表示过去常常做某事而现在已经不这样了。

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