–Do you learn maths ______ asking the teacher ______ help? --Oh, yes. It helps a lot. A. for; by B.t...
2023-01-18 23:46:48 153次 2014-2015学年河北保定第二十六中学九年级上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
–Do you learn maths ______ asking the teacher ______ help?
--Oh, yes. It helps a lot.
A. for; by B.to; by
C.by;for D.by;to
本题链接：
