来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/08/31 01:22:04
He spent half an hour ___ his homework. A.finish doing B.to finish doing C.finishing to do D.finishing doing
解题思路:
解题过程:
finish完成.后面需要加动词的-ing形式,不能加to do形式.切记.例如: I haven't finished reading the book yet. 我还没读完这本书。
最终答案:略