1 . —It is reported that many sea animals have died because of waste masks.
—People must stop ________ waste masks into the sea.

A．litter

B．littering

C．to litter

2 . 红梅公园有这么多漂亮的风景，以至于我忍不在拍了很多照片。
There were so many beautiful views in Hongmei Park that I ____________________.

4 . They are very tired. Let them _______ a rest.

A．stop having

B．to stop having

C．stop to have

D．to stop to have

5 . 一天，他们俩互相不说话了。
One day, they ________ ________ to each other.

6 . 根据图画提示所给的单词造句，要注意语句通顺，语法正确，大小写及标点准确。
1. the Spring Festival, people, relative, time, their, spend, usually, during, with
________________
2. a wonderful time, visitor, Hong Kong, from, every year, come to, all over the world
________________
3. the Earth, much pollution, people, today, thing, in the air, there be, protect, stop burning, must
________________

7 . — Don’t give up easily after you start to improve yourself.
— Thanks for reminding me. I will keep trying to do everything well.

A．stop trying to do something

B．be encouraged to do something

C．be willing to do something

8 . 医生吩咐格林先生戒烟。
The doctor ________ Mr Green ________ ________ smoking.

9 . We must stop ________ (pollute) the Earth by sorting rubbish.

10 . Jeff and Frank stopped a________ when they saw the teacher coming into the classroom.