I often ____________ the newspaper in th_爱下问搜题

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问题选择题

I often ____________ the newspaper in the evening.[ ]

A. read

B. reads

C. look

答案

答案：A

选择题

The bus driver always says to us ,“Don’t get off________ the bus stops.”

A．when

B．while

C．until

D．if

问答题简答题

简述现场总线的技术特点和体系结构特点。