The chemistry teacher required the students _______ more attention _______ the lab clean. A.to pay,

题目简介

The chemistry teacher required the students _______ more attention _______ the lab clean. A.to pay,

题目详情

The chemistry teacher required the students _______ more attention _______ the lab clean.
A.to pay, to keepB.to paying, to keepingC.to pay, to keepingD.paying, keeping
题型:单选题难度:偏易来源:不详

答案

C

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