题目内容
() 5. 一Are you doing well in your math?
--No,I my best,but I still can't get good marks.
A. am trying B. tried C. have tried D. will try
C
练习册系列答案
相关题目
题目内容
() 5. 一Are you doing well in your math?
--No,I my best,but I still can't get good marks.
A. am trying B. tried C. have tried D. will try
C