—I will buy you a new bike if you learn how to swim this summer. —Is that a ________? I’m sure I’ll get the bike.

---What does your Chinese teacher ______?          --- He is tall with short hair.

.---Tom plays computer games too much.  --- That’s why his mother is __________ his eyesight. 

-What do you think of the zongzi.-They____delicious.Are they made by your mother?

—I am sorry I _______ my exercise book at home.— Don’t forget _______ it to school tomorrow.