Now most families have only one child _____ our country’s one-child policy.
The young trees should ______well as often as possible.
--Dinner is ready. Help yourself! --Wow! It ________ delicious.Could you please tell me how to cook it?
Tony used to _______ to school, but he is used to _______ to school now.
I________ a big house for my family if I _____ a lot of money.
There are about ______ people in this town.