Is this your backpack?改成否定句怎么改
Is this your backpack?改成否定句怎么改
This is his backpack.改成否定句
This is the computer room.改成否定句 怎么改
That is her backpack 改成否定句
It is his backpack改否定句
Is this your suit 改否定句
is that your friend 改为复数句 is this his backpack作否定回答
This is my friend 和 These are my sist 改成否定句怎么改啊,急...
把this book is the same as that one改成否定句,怎么改
This CD sounds boring.改成否定句怎么改?
Do your homework before dinner.改成否定句 怎么改
My english book is in the backpack 改否定句