题目内容
People around the country were excited __________ the astronauts came back to the earth safely.
| A．unless | B．but | C．until | D．because |
D
解析试题分析：考查连词。A. unless除非； B. but但是；C. until直到；D. because因为。句意：全国各地的人们都很激动，因为宇航员安全地返回地球。故D正确。
考点：考查连词
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| A．what | B．whether | C．how | D．why |
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| A．until | B．now that | C．unless | D．even though |
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| A．so | B．and | C．or | D．but |
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| A．even if | B．as if | C．as long as | D．if |
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| A．if | B．after | C．until | D．when |
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| A．Now that | B．While | C．Unless | D．Even though |
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| A．If, which | B．So long as, what | C．In case, where | D．Even if, as |