It's my telephone.(my telephone部分提问）2.This is a backetball.(a backetball部分提问）3.it is her backpack.(改为否定句）

It's my telephone.(my telephone部分提问）2.This is a backetball.(a backetball部分提问）3.it is her backpack.(改为否定句）
It's my telephone.(my telephone部分提问）2.This is a backetball.(a backetball部分提问）
3.it is her backpack.(改为否定句）

It's my telephone.(my telephone部分提问）2.This is a backetball.(a backetball部分提问）3.it is her backpack.(改为否定句）
1,What it is?
what's this?
it isn't her backpack.

1,What it is?
2.What's this?
3.It isn't her backpack

1. What's it?
2. What's this?
3. It isn't her backpack.