Where ________ you put the stamp? (　　)

A．are

B．does

C．do

I ________ my work at four at my office. Then I go back home for dinner.

A．start

B．finish

C．starting

D．finishing

用am, is, are填空
1. This _______my sister.
2. I _______ Kate.
3. She _______ my mother.
4. They _______my grandma and grandpa.
5. I _______ nine.
6. This _______ Yang Ming.

用所给词的正确形式填空
1. _____________ this your jacket? (be)
2. _____________ he live on the second floor? (do)
3. _____________ she go to bed late last night? (do)
4. _____________ you know the girl in the pink skirt? (do)
5. _____________ there any pupils in the playground? (be)

They ________ breakfast together. (    )

A．to have

B．have

C．having