—______ do you write to your parents? —Every day.
| A．How long | B．How soon | C．How often | D．How far |
— Have you seen the film _____ Lost In Thailand (泰囧) ？
— Yes. It’s great fun . I couldn’t stop _____while I was watching it
| A．call ,to laugh | B．calling ,laughing |
| C．called ,laughing | D．name ,aughed |
What can we students do _____ the environment?
| A．to protect | B．protected |
| C．protecting | D．protects |
Fruit and vegetables are good for us. We need them __________ healthy.
| A．keep | B．keeping |
| C．to keep | D．keeps |
Nowadays, if people don't want to cook, they can choose to eat out, but they are asked ______waste any food.
| A．not to | B．not |
| C．to | D．don't |
- Dad, why must I stop______ computer games?
- For your health， my boy.
| A．play | B．to play |
| C．to playing | D．playing |