當(dāng)前位置：試題詳情

When the boss came in，the workers pretended________hard on their machines．（　?。?/h1>

A．to work	B．to be working
C．to have worked	D．working

【答案】B

【解答】

【點評】

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發(fā)布：2024/11/20 12:30:1組卷：153引用：10難度：0.9

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A． being wondering	B． to have wondered
C． to be wondering	D． having wondered

When the boss came in，the workers pretended________hard on their machines．（ ?。?/h1>