Some students from Grade 9 ____ do some ____ for the old.A.volunteered to; cleanB.volunteered; clea

题目简介

Some students from Grade 9 ____ do some ____ for the old.A.volunteered to; cleanB.volunteered; clea

题目详情

Some students from Grade 9 ____ do some ____ for the old.
A.volunteered to; cleanB.volunteered; cleaning
C.volunteered to; cleaningD.volunteered; clean
题型:单选题难度:偏易来源:不详

答案

C

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