work hard at your lesson还是on your lessonwork hard at your lesson还是on your lesson 还是都可以?
问题描述:
work hard at your lesson还是on your lesson
work hard at your lesson还是
on your lesson 还是都可以?
答
work hard on your lesson
请见人教版六年级上册英语教材第五单元课文
答
at
答
2者皆可 at用在学业上 on则泛指一切努力的对象
You always work hard at your lessons and I wish you success in your College Examinations.你总是很用功,我祝你高考成功.
-- 高中英语口语25天快训 - Day 15 Congratulations
答
work hard on 固定搭配