試題詳解

試卷：無年度 - 自編---第四冊Lesson 6 (文法部分) : Mom Made Us Do The Housework#8581 | 科目：國中◆英文

試卷名稱：無年度 - 自編---第四冊Lesson 6 (文法部分) : Mom Made Us Do The Housework#8581

科目：國中◆英文

(　　)7. Sammy is a nice girl. She often volunteers ________ her classmates mop the floor.
(A) help　
(B) helps　
(C) helping　
(D) to help

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