My brother often ________ in the study.

A．study

B．studys

C．studies

Su Yang ______a big birthday cake.

A．like

B．has

C．have

Everyone _______a big cookie.

A．has

B．have

C．having

主谓宾的肯定（有动词三单式）
（1）She ______ in the hospital. She is a ______.
A. works; nurse    B. work; doctor    C. works; farmer
（2）Tom’s uncle___ a new house.
A.have B.has C.there is

A．is

（3）Liu Tao’s mother at home every day.
A.teachs   B.is teach  C.teaches
（4）They all （work） in the factory.
（5）The man in blue （teach） us English.

Sally     with her parents over the summer vacation.  ( )

A．travel

B．travels

C．traveling