( )1. Where does the water come from?
C
( )2. What should they not do?
A
( )3. Who can help me?
B
( )4. You shouldn't litter here, Mike.
E
( )5. Do you love our city?
D
答案：
1. C
2. A
3. B
4. E
5. D
( )1. In October, the students collected ______ empty bottles.
C
( )2. The students collected ______ more(更多) bottles in December than(比……) in January.
B
( )3. From the graph, we know that the students collected the same number of bottles in ______ and ______.
C
( )4. The students are going to take the bottles ______.
B
( )5. Why do the students collect empty bottles?
A
答案：1. C 2. B 3. C 4. B 5. A
