题目

When we are unhappy,we can not do well _____school or _____work.用适当介词填空
Maris always does well______her subjects at school or at home.用适当介词填空

提问时间：2020-08-10

答案

when we are unhappy,we can not do well in school or in work.
Maris always does well in her subjects at school or at home.