—_____does your mother go for a walk？
— Every afternoon.
| A．How long | B．How much |
| C．How often | D．How many |
- What will you do when you are lost in a strange city?
- I won't _______ that. Look! I have downloaded the map on my iphone.
| A．lead to | B．worry about | C．insist on | D．be interested in |
- Air quality in our city is becoming worse and worse.
- Yes. These days' PM2.5 readings are frightening. We must do something to _______ air pollution.
| A．reduce | B．remove | C．collect | D．gather |
- Why did he make no _______ to be understood or liked?
- He didn't care what others think of him.
| A．balance | B．risk | C．reply | D．effort |
- What would you like to eat?
- _______ is to my taste in this restaurant, I'm particular about food.
| A．Nothing | B．Anything | C．Everything | D．Something |
- When we are in danger, we need to stay_______.
- Exactly. Only in this way can we come up with good ideas.
| A．still | B．quiet | C．calm | D．silent |