They ________ breakfast together. (    )

A．to have

B．have

C．having

写出下列动词的第三人称单数形式、过去式形式。
1.  go _______ _______     2. enjoy _______ _______
3.  buy _______ _______    4. eat _______ _______
5.  get _______ _______    6. walk _______ _______
7.  take _______ _______   8. dance _______ _______
9.  write _______ _______ 10. run _______ _______
11. swim _______ _______ 12.study_______ _______

填空题
1. Let’s ________ (write) letters to our penfriends, ok?
2. Jenny ________ (forget) her picture at home.
3. I want ________ (buy) a book.
4. He ________ (have) a picture of our school.
5. Everyone is ________ (fine).

Australia  ________ lovely kangaroos.  （   ）

A．has

B．have

C．is

Xiaoyong ________ in the afternoon.

A．sleep

B．sleeps

C．sleeping