按要求写单词。
（1）sing(现在分词)---_________
（2）bird(复数形式)---_________
（3）shine(现在分词)---________
（4）look(现在分词)---____ ____
（5）photo(复数形式)---________
（6）fly(现在分词)----________
（7）have(过去式)----_________
（8）start(现在分词)----_______
（9）swim(现在分词)----_______
（10）sandwich(复数形式)---______
听录音填空。
I don’t like ______ in the city because it isn’t clean. _______ from cars and factories makes the ____ dirty. Rubbish makes the street dirty and ______. It ____ makes the river dirty. To _____ the city clean, I think we should ______ some factories ______ and put rubbish in the ____. We should not _____ so much or put rubbish in the water.
听录音填空。
（1）They are going to buy new ______ and _____ tomorrow.
（2）On Chinese New Year’s Eve, I ______ _______ with my family.
（3）My grandparents are going to give me _______ _______.
（4）I like _______ ________.
（5）I plan ____ _____ some flowers for my mother.
阅读短文选择填空。
We should ________ more trees. We ______ cut down too many trees. We should stop factories from pouring （倾倒）_____ water into rivers. We should save ______. We should not drive too much. We can go to work or school by bus or ____. We can reuse paper and plastic bags. We can make the world a better（更好）place.
（1）A. water B. plant C. buy
（2）A. can B. should C. shouldn’t
（3）A. dirty B. clean C. much
（4）A.trees B. energy C. water
（5）A. by taxi B. by car C.on foot
选择填空。
（1）We can ___________ to school.
（2）We can __________ form our city.
（3）We can ____________, they help keep the air clean.
（4）My grandpa doesn’t like ___________, because he’s a farmer.
（5）______________ makes the air dirty.
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