根据提示完成句子。
1. There are ________________ (20把椅子) in the classroom. 
2. The pencil box is ________ the desk. (在···上)
3. Steven is drawing on the ________.
4. ________ name is Li Ming. ________ is a boy.
5. —How many ________ are there? (55支铅笔)
—There are ________.

Can __________ see the ducks? (    )

A．you’re

B．your

C．you

—Who is that boy? （   ）
—____is John, my brother’s friend.

A．She

B．He

C．It

Read and judge(T)or(F):
Hi, my am Linlin. （______）

It is ____ book. （ ）

A．your

B．you