—Oh , I have a terrible toothache.—You’d better    see a dentist and have your bad teeth     out.

 I used to spend much time ___ TV at home.

 —The most beautiful teacher Zhanglili ________ a mother to her students.—Yes, she is really a good teacher.

- Please ______ your homework to school tomorrow.

Practising Chinese kung fu can not only ________ one’s strength, but also develop one’s character.