摘要： Their cheerful voices showed that they were having a discussion. A. noisy B. serious C. complete D. friendly
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Their cheerful voices showed that they were having a discussion.
A. noisy B. friendly C. serious D. nervous
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Their cheerful voices showed that they were having a __________ discussion.
A. noisy B. serious C. complete D. friendly
答：D。由cheerful可知应选friendly
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Their cheerful voices showed that they were having a ________ discussion.
A. noisy B. serious C. loudly D. lively
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