他们又过了七年才结婚。
注意:当主句的谓语动词为延续性动词时,before与until有时可以互换。It was an hour before/until the police arrived.
巩固练习
⒈It was evening ________ we reached the little town of Winchester.
Athat B.until C.since D.before
2.Several weeks had gone by ________ realized the painting was missing.
A.as B.before C.since D.when
3.The America Civil War lasted four years ______ the North won in the end.
A.after B.before C.when D.then
4.It was some time _______ we realized the truth.
A.when B.until C.since D.before
5.-Why didnt you tell him about the meeting?
-He rushed out of the classroom _______ I could say a word.
A.before B.until C.when D.after
6.-How long do you think it will be __ china sends a manned spaceship to the moon?
-Perhaps two or three years.
Awhen B.until C.that D.before
参考答案:DBBDAD
【?"before"用法ABC】相关文章:
★ 不定式作宾语
★ 形容词及其用法
★ 逗号的用法
★ 定冠词的用法
★ 不定式主语
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2016-02-29
2016-02-29
2016-02-29
2016-02-29
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2016-02-29