Many people think it is a piece of good news that families in China may have a second child if ________parents an only child.
-I think students should be allowed _____ homework with friends. -I disagree. They talk instead of ________ homework.
Ididn’t go to bed _______ I finish my homework.
The boys don’t know ___________.
— You didn’t use to play tennis, ______? — Yes. I still like playing tennis now.
__ they were not rich, they tried their best to send their child to the best school.