四、用所给单词的适当形式填空。
1. Planting trees can help ______ (keep) the air clean.
2. There is not ______ (many) energy on Earth.
3. A lot of plastic ______ (be) bad for the Earth.
4. People should use ______ (paper) bags to protect the Earth.
5. Trees are very ______ (use). They help keep the air clean.
6. It can make many other ______ (thing).
7. Wood ______ (come) from trees in the forest.
8. Mike can’t use chopsticks(筷子), but he can use a spoon (勺子) ______ (eat).
1. Planting trees can help ______ (keep) the air clean.
2. There is not ______ (many) energy on Earth.
3. A lot of plastic ______ (be) bad for the Earth.
4. People should use ______ (paper) bags to protect the Earth.
5. Trees are very ______ (use). They help keep the air clean.
6. It can make many other ______ (thing).
7. Wood ______ (come) from trees in the forest.
8. Mike can’t use chopsticks(筷子), but he can use a spoon (勺子) ______ (eat).
答案:
1. keep 2. much 3. is 4. paper 5. useful 6. things 7. comes 8. to eat
1. 固定搭配help do sth 意为“帮助做某事”。故填keep。
2. energy是不可数名词,不可数名词应用much修饰。故填much。
3. plastic是不可数名词,be动词用is。故填is。
4. “纸袋子”的英文表达是paper bag。故填paper。
5. be动词后接形容词,表示物体的状态。句意为“树木是非常有用的。它们帮助保持空气干净”。故填useful。
6. thing是可数名词,其前有many other修饰,用复数形式。故填things。
7. 主语Wood是不可数名词,动词come用其第三人称单数形式。故填comes。
8. 固定搭配use sth to do sth 意为“用某物做某事”。故填to eat。
1. 固定搭配help do sth 意为“帮助做某事”。故填keep。
2. energy是不可数名词,不可数名词应用much修饰。故填much。
3. plastic是不可数名词,be动词用is。故填is。
4. “纸袋子”的英文表达是paper bag。故填paper。
5. be动词后接形容词,表示物体的状态。句意为“树木是非常有用的。它们帮助保持空气干净”。故填useful。
6. thing是可数名词,其前有many other修饰,用复数形式。故填things。
7. 主语Wood是不可数名词,动词come用其第三人称单数形式。故填comes。
8. 固定搭配use sth to do sth 意为“用某物做某事”。故填to eat。
( )1.Long long ago, there ______ so many trees on Earth.
A.are
B.were
C.was
A.are
B.were
C.was
答案:
B
( )2.We wear gloves ______ warm.
A.keep
B.to keep
C.to keeping
A.keep
B.to keep
C.to keeping
答案:
B
( )3.This is ______ useful book.
A.an
B.a
C./
A.an
B.a
C./
答案:
B
( )4.A:Can you tell them ______ it? B:Sure.
A.for
B.at
C.about
A.for
B.at
C.about
答案:
C
( )5.We should not use too many ______.
A.water
B.plastic bottles
C.coal or oil
A.water
B.plastic bottles
C.coal or oil
答案:
B
( )6.We have ______ in the classroom every day.
A.fun
B.funny
C.a fun
A.fun
B.funny
C.a fun
答案:
A
( )7.We start ______.
A.draw
B.draws
C.drawing
A.draw
B.draws
C.drawing
答案:
C
( )8.Most of energy ______ from the Earth.
A.coming
B.comes
C.come
A.coming
B.comes
C.come
答案:
B
( )9.We use water ______ clothes every day.
A.wash
B.to wash
C.washing
A.wash
B.to wash
C.washing
答案:
B
( )10.Too ______ plastic is bad for our city. We shouldn’t use too ______ plastic bags.
A.much;much
B.many;much
C.much;many
A.much;much
B.many;much
C.much;many
答案:
C
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