The fireman succeeded in saving all the people in the house on fire, _______they
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The fireman succeeded in saving all the people in the house on fire, _______they knew they were in great danger themselves.| A．because | B．since | C．unless | D．though |
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答案
| D |
解析
试题分析：A. because因为（引导原因状语从句）， B. since自从（引导时间状语从句），C. unless除非（引导条件状语从句），D. though虽然（引导让步状语从句），句意：消防队员成功的在着火的房间救了所有的人，即使他们知道他们自己很危险。根据句意选D。 |
举一反三
——Did you stay up very late last night?
——No，It was not 10 o’clock yet ____I went to bed. | A．when | B．until | C．that | D．while |
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_____Craig loves his students, he is very strict with them in their performances. | A．While | B．Whenever | C．As if | D．The minute |
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It was not until dark ______ he found ______ he thought was the correct way to solve the problem.| A．that; what | B．that; that | C．when; what | D．when; that |
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_____ they are fit, I see no reason why they shouldn"t go on playing basketball for another four or five years.| A．In case | B．Provided that | C．Unless | D．As if |
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______ we have confidence and determination, we can win the match.| A．Once | B．Since | C．Unless | D．As long as |
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