作业帮Chalk ______write on the blackboard by most of the teachers now.A. is used to B.used to选什么,为什么
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Chalk ______write on the blackboard by most of the teachers now.A. is used to B.used to选什么,为什么
Chalk ______write on the blackboard by most of the teachers now.
A. is used to
B.used to
选什么,为什么
Chalk ______write on the blackboard by most of the teachers now.A. is used to B.used to选什么,为什么
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.
你好，正确答案选A
be used to do sth
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A
b
曾经
be used to 是习惯于 并且后面要接动名词
A
be used to do 是被用于。。。的意思
而used to do 是过去常常的意思
A
be used to 是习惯于
be used to do sth