It was about 600 years ago _______ the first clock with a fa

It was about 600 years ago _______ the first clock with a face and an hour hand was made.
A.that
B.until
C.before
D.when xyz820529 1年前他留下的回答 已收到1个回答

我爱假老练 春芽

该名网友总共回答了14个问题，此问答他的回答如下：采纳率：100%

答案A
考察句型.该句为强调句,强调句的特点是去掉It was ……that……以后句子结构完成.即,the first clock with a face and an hour hand was made about 600 years ago 句子结构完整.

1年前他留下的回答

8

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