题目内容

______he starts a job, he won't stop until it is finished.

A. Once
B. After
C. Until
D. As soon as

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A body,______it is in motion, would never stop itself if there were no friction.

A. till
B. when
C. before
D. once

The journey there was terrible, but______we'd arrived we had a wonderful time.

A. until
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C. once
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2005年辽宁省平均每个县实现地区生产总值()。

A. 52.3亿元
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2005年教育行业的固定投资额为多少亿元()。

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