用所给词的正确形式填空。
【小题1】We should stop _________ (throw) rubbish into rivers.
【小题2】In the past, the Earth _________ (be) clean and beautiful.
【小题3】My brother is __________ (plant) trees in the backyard.
【小题4】The Earth __________(get) sick now.
【小题5】We shouldn’t __________ (cut) down so many trees.

判断题。
（_____） 1. These are the Four Great Inventions of ancient China.

（_____） 2. I think paper is an great invention.
（_____） 3. I like wear it.

按要求写出单词的正确形式。
【小题1】near(反义词)______________
【小题2】this (对应词)______________
【小题3】woman（复数）______________
【小题4】those(单数)______________
【小题5】wear(动名词) ______________
【小题6】dollar(复数)______________

按要求完成句子
cough  fly   make    build   turn
1. Spring is the best time _________ kites.
2. My dog is good at _________ camps out of sticks.
3. Who ________ breakfast for you every morning?
4. You’d better give up smoking, or you’ll keep ________ day and night.
5. It’s said it __________ colder in the late afternoon.

We are looking forward to ______ you. ( )

A．see

B．saw

C．seeing