I don’t know ____________ to make bread.
A. how
B. that
C. which
D. what
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The post office is a bit far from here .It is about ______
A. thirty minutes's walk
B. thirty minute's walk
C. thirty minutes' walk
D. thirty minutes walk
The notice ______ “No smoking”.
A. is told
B. reads
C. tells
D. is read
— Do you live in this city?— No, we ______ it for holidays.
A. just visit
B. just visited
C. are just visiting
D. have visited
以下不属于强电工程的是
A. 动力工程
B. 照明工程
C. 变配电工程
D. 电话通信系统