题目内容
I’m not sure _______ red and white are a good match.
| A．weather | B．that | C．if | D．how |
C
解析试题分析：句意：我不确信红色和白色是否是很好的搭配。A．weather 天气；B．that 宾语从句的连接词，没有意义； C．if 是否； D．how怎样。根据句意，故选C。
考点：考查连词的用法。
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