16．What do your friends _________ ?  
17．What does Helen _________ ?  
18．His brother _______ a basketball.  
19．Her sister _______ a nice doll.  
20．Miss Li ________ an English book.  
训练题：  
1.Let him _____(play)basketball.  
2.Everyone_____(know)what he really like.  
3.Those girls____(be)my sister.  
4.That girl_____(call)me every Sunday.  
5.How___(do)she_____(spell)the word?  
选择题：  
1. I to school every day.  
A. go B. goes C. going  
2. He teeth every morning.  
A. brush B. brushes C. brushing  
3. The birds singing.  
A. like B. likes C. like to  
4. What does Lily doing?  
A. like B. likes C. to  
5. you like eating apples?  
A. Do B. Does C. Doing  
6. he swim every afternoon?  
A. Do B. Does C. Doing  
7. Tom likes in the classroom.  
A. singing B. sing C. to singing  
8. –Does Sally like swimming?  
【英语基础那些重要 英语入门第三人称单数细致讲解】--No, she .  
9. Peter and Mary milk every day.  
A. drink B. drinking C. drinks  
10. they read English every day?  
A. Does B. To C. Do  

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