Chalk ______write on the blackboard by most of the teachers now.
A. is used to
B.used to
选什么,为什么
人气：157 ℃ 时间：2020-05-19 04:15:20
解答
A
理由 be used to do sth 是固定用法,表示“被用来做某事”
eg Wood is used to make paper.
used to do也是固定用法,意思是“过去常常做某事”,不合本题题意,故不选.
供参考.
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