until 的用法
知识点梳理
until conj.&prep. 到……时；直到……为止
区分not...until和until
not.… until 意为“直到……才”， 强调动作直到until 后的时间才发生，not通常与主句的be动词、助动词或情态动词连用。主句谓语动词通常为非延续性动词。
until 意为“直到……为止”。主句谓语动词通常为延续性动词。
知识点定向练习
1. —Excuse me. Is it my turn now?
—Not yet. Please wait on the chair______I call your name.
A. and
B. until
C. after
2. Usually, we don't know how important something is______we lose it.
A. or
B. until
C. as soon as
3. The left-behind kids（留守儿童）can't see their parents______their parents come back home from work.
A. but
B. until
C. or
4. I______until I heard the alarm（警报）clock.
A. woke up
B. didn't wake up
C. wake up
5. The girl _____until his mother came back.
A. didn’t go to bed
B. went to bed
C. doesn't go to bed
6. 直到你离开之后，我们才去睡觉。
We______________________you left.
7. 昨天，她的妈妈一直等着她直到她到家。
Her mom had been __________________she got home yesterday.
答案↓
-
B
-
B
-
B
-
B
-
A
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didn't go to bed until
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waiting (for her) until
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