You have to study hard,haven't you?改错When Tina heard the bad news,she couldn't help to cry改错

问题描述:

You have to study hard,haven't you?改错
When Tina heard the bad news,she couldn't help to cry
改错

  1. You have to study hard,don't you?

  2. When Tina heard the bad news,she couldn't help crying.