科目: 来源: 题型:单选题
In case of fire, stay low to the ground in a smoky room, ________ smoke always rises towards the ceiling.
| A.as | B.when | C.while | D.once |
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科目: 来源: 题型:单选题
We know _____America is great not because it is perfect but because it can always be made better and _____ the unfinished work of perfecting the union falls to each of its citizens.
| A.不填;不填 | B.that ; that | C.that ; 不填 | D.不填;which |
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科目: 来源: 题型:单选题
_____ the majority of people you will meet when travelling are sure to be friendly, there are dangers-theft being the most common.
| A.Since | B.Unless | C.While | D.Once |
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科目: 来源: 题型:单选题
--- This is the same watch ______ I left on the playground yesterday.
--- How can it be possible? I bought _____ the other day.
| A.that; one | B.that; it | C.as; one | D.as; that |
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科目: 来源: 题型:单选题
They are talking _____ they had been friends for years, while in fact they have known each other for only two hours.
| A.even though | B.as though | C.now that | D.until |
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科目: 来源: 题型:单选题
I asked my boss for a month’s holiday and, _____, she agreed.
| A.what’s more | B.that is to say | C.believe it or not | D.in other words |
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科目: 来源: 题型:单选题
______the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A.If | B.While | C.Because | D.As |
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科目: 来源: 题型:单选题
The family were holidaying in the country _______ the rain poured down.
| A.when | B.as | C.while | D.since |
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科目: 来源: 题型:单选题
Adam behaved _________ he had never heard such a thing before.
| A.in case | B.as if | C.while | D.though |
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