三、 选择填空.
( )1. He ________ thirteen.
A. are B. am C. is
( )2. I ________ the piano on Sundays.
A. play B. am play C. playing
( )3. Let's _______home.
A. go to B. go C. goes
( )4. Glad to________you.
A. see B. seeing C. sees
( )5. Is she ________?
A. sing B. singing C. sings
( )6. He is ________in the classroom.
A. dance B. dances C. dancing
( )7. I________ ________ my hands.
A. am , wash B. am, washing C. are, wash
( )8. Let's ________ a mouse on the blackboard.
A. draw B. drawing C. draws
四、 下面每一个句子都有一处错误, 请指出并改正.
1. Are you a nurse? Yes, I'm.
_____________________________
2. I'm play the guitar.
_____________________________
3. I going to school everyday.
_____________________________
4. She is runing.
_____________________________
5. What is you doing?
_____________________________
