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二 从方框中选择合适的选项完成句子。(只写字母标号)
A. smoke from cars B. take the bus C. makes the streets D. keep... clean E. move... away
( )1. Rubbish ______ dirty. We shouldn't litter on the streets.
( )2. Look, ______ makes the air dirty. We shouldn't drive so much.
( )3. My friends ______ to school.
( )4. Look! There's a tree on the road. We should ______ it ______.
( )5. What can we do to ______ our city ______?
A. smoke from cars B. take the bus C. makes the streets D. keep... clean E. move... away
( )1. Rubbish ______ dirty. We shouldn't litter on the streets.
( )2. Look, ______ makes the air dirty. We shouldn't drive so much.
( )3. My friends ______ to school.
( )4. Look! There's a tree on the road. We should ______ it ______.
( )5. What can we do to ______ our city ______?
答案:
1. C 2. A 3. B 4. E 5. D
三 根据图片及首字母提示补全句子。
1. Don't litter everywhere. You should k______ your room clean.
2. Your hands are c______, and you can have the hamburger now.
3. Your room is too m______. Please tidy it up.
4. Black smoke from the factory ______ the air dirty. To keep the air ______, we can move the factory away from the city.

5. We should put ______ in the proper (合适的) ______.
]

1. Don't litter everywhere. You should k______ your room clean.
2. Your hands are c______, and you can have the hamburger now.
3. Your room is too m______. Please tidy it up.
4. Black smoke from the factory ______ the air dirty. To keep the air ______, we can move the factory away from the city.
5. We should put ______ in the proper (合适的) ______.
]
答案:
1. keep 2. clean 3. messy 4. makes; clean 5. rubbish; bin(s)
( )1.______ our classroom clean, we can sweep the floor.
A.Keep
B.To keep
C.Keeping
A.Keep
B.To keep
C.Keeping
答案:
B
( )2.There ______ a lot of smoke in the house. What happened?
A.are
B.has
C.is
A.are
B.has
C.is
答案:
C 【解析】分析句子可知,本句为 There be 句型,be 动词的单复数形式由其后面紧跟的名词的单复数决定,smoke 意为“烟”,是不可数名词,所以用 is。
( )3.—I have two ______, but yesterday they ______ frozen (冻住了的).
—What a pity!
A.fish; were
B.fish; are
C.fishes; was
—What a pity!
A.fish; were
B.fish; are
C.fishes; was
答案:
A 【解析】fish 在表示鱼的数量时单复数同形,“两条鱼”仍表述为 two fish。由 yesterday 可知,后一分句应用一般过去时,主语为 they,故 be 动词用 were。
( )4.Some rubbish ______ on your desk. Put ______ in the bin.
A.are; it
B.is; it
C.is; them
A.are; it
B.is; it
C.is; them
答案:
B 【解析】rubbish 是不可数名词,意为“垃圾”,所以 be 动词用 is,代词用 it。
四 给下列句子匹配合适的答语。
A. Me too. B. We can sweep the floor. C. Our mothers. D. It means you can't litter. E. He slipped and fell on the floor.
( )1. I like living in the city.
( )2. What does "No littering." mean?
( )3. What can we do to keep the room clean?
( )4. What's the matter with Billy?
( )5. Who makes our clothes clean?
A. Me too. B. We can sweep the floor. C. Our mothers. D. It means you can't litter. E. He slipped and fell on the floor.
( )1. I like living in the city.
( )2. What does "No littering." mean?
( )3. What can we do to keep the room clean?
( )4. What's the matter with Billy?
( )5. Who makes our clothes clean?
答案:
1. A 2. D 3. B 4. E 5. C
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