Is it __________ eraser? （    ）

A．Sam

B．Sam’s

C．you

It’s _________ Day today. (   )

A．Children’ s

B．Childs’

C．Children’

填空题
1. This is ________ (Jim) email.
2. I ________ (have) a good time in Beijing last year.
3. The men ________ (go) to the park yesterday morning.
4. I want to write ________ (back) home tomorrow.
5. I ________ (hurt) my hand yesterday and Jenny ________ (help) me.

用所给单词的正确形式填空。
1. ________ (who) pencil is this?
2. There ________ (be) eight books on my desk.
3. ________ (this) are blackboards.
4. That is ________ (Danny) pencil box.
5. Is this ________ (you) toy bus?

These are______ pants.

A．John

B．John's

C．yours