is that your friend 改为复数句 is this his backpack作否定回答
问题描述:
is that your friend 改为复数句 is this his backpack作否定回答
答
1.Are those your friends?2.No,it isn't.
is that your friend 改为复数句 is this his backpack作否定回答
1.Are those your friends?2.No,it isn't.