White has always been a symbol ........ purity in Western cultures
White has always been a symbol -- purity in Western cultures
matching 1. If you plant more trees, A. If you throw all waste into rivers?
matching
A | B |
1. If you plant more trees, | A. If you throw all waste into rivers? |
2. What will you do | B. remember to turn off all the lights. |
3. If you want to save energy, | C. we can pollute the soil. |
4. What will happen | D. the air will become fresher. |
5. If we use insect spray, | E. if you want to keep environment green? |