—It’s too late. I have to go now.—Oh, it’s raining outside. Don’t leave _______i
题型：不详难度：来源：
—It’s too late. I have to go now.
—Oh, it’s raining outside. Don’t leave _______it stops.
A．since B．until C．while |
答案
| B |
解析
| since由于，自从……以来；until直到；while当……时。句意：太晚了，我现在必须得走了。——哦，外面正下雨呢。等雨停了再走吧。短语not……until直到……才，故选B。 |
举一反三
I was doing my homework _______ mother was cooking.| A．when | B．while | C．as | D．what time |
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--- He didn’t come back _______ he finished all the work. | A．until | B．while | C．if | D．unless |
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Nobody will help you________ you help yourself.
A. unless B. because C. though |
| Think it over, _____ you’ll work out the math problem. |
—Susan, what are the advantages of MP5 players?
—Mom, they are smaller and lighter ______ they can be carried very easily.| A．unless | B．if | C．until | D．so that |
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