1 . —The tap was still on when I got home! I have told you many times that you should never forget ________ the tap when you leave the room.
—But mum, I remember ________ the tap when I left home.

A．to turn on; to turn off	B．to turn off; turning off
C．turning off; turning off	D．turning on; to turn off

2 . I enjoy ________ in the countryside. (cycle)

3 . We shall go ________ to Hong Kong during the Spring Festival. (travel)

4 . Stop ________ fried chicken wings because you are too fat. (eat)

5 . People must stop ________ the Earth.

A．polluting

B．pollute

C．pollutes

D．to pollute

6 . Children can keep healthy ________ too much meat.

A．with not eating

B．not by eating

C．not with eating

D．by not eating

7 . It is important for students to practice ________ English every day.

A．speaking

B．saying

C．to play

D．to say

8 . My uncle often enjoys ________ on weekends.

A．to go fishing

B．go fishing

C．fish

D．fishing

9 . People must stop ________ the Earth.

A．pollution

B．pollute

C．to pollute

D．polluting

10 . Most Chinese girls are good at ________. (cook)