Ii's very hot.Jack is taking off his coat.为什么是taking off
问题描述:
Ii's very hot.Jack is taking off his coat.为什么是taking off
答
taking off与前面的is构成现在进行时.
Ii's very hot.Jack is taking off his coat.为什么是taking off
taking off与前面的is构成现在进行时.