I think it quite strange that the girl _________ with her mouth _________．A.could sleep; wide openB.sleep; wide openC.should sleep; widely openD.could sleep; widely opened
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C解析这是一道综合考查题。考点有三个：should在此句中表示“竟然”；widely作前置状语，意为“大大地”；而wide作后置状语，修饰动词，如：open wide(开大)；open作补足语或表语时，要用形容词形式，表示状态，不要用它的动词用法。