Iworkedwiththechildrenbefore,soI

发布时间:2020-07-27 10:41:05

I worked with the children before, so I know what ________.A.to expectB.to be expectedC.to have expectedD.to have been expected

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A解析expect为及物动词,与what构成动宾关系,因此用不定式的主动形式。“期望”是在“知道”之后。
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