Their cheerful voices showed that they were having a discussion.A. noisyB. friendlyC. seri

发布时间：2020-08-17 06:34:35

Their cheerful voices showed that they were having a      discussion.
A. noisy
B. friendly
C. serious
D. nervous

网友回答

A. noisy
(答案→)B. friendly
C. serious
D. nervous
解析：考察形容词词义辨析。A吵闹的；B友好的；C严重的；D紧张的；句意：他们快乐的声音说明他们正在进行一次友好的讨论。根据句意说明B正确。
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