Ex1:Complete the second sentence so that it has similar meaning to the first sentence
1>The soil is poisoned because,farmers use too many pesticides and herbicides.
-If............................................................................................................................
2>I can't help you unless you tell me what's wrong.
-If..........................................................................................................................
3>Many people have stomachache due to the contaminated food.
-The food..................................................................................................
4>Stop swimming in that lake,or you will have skin rashes.
-If...........................................................................................................
5>John lives in the area affected by air pollution,so he has breathing problem.
-Because............................................................................................................
-If.........................................................................................................................
6>We use eco-friendly products and we can protect environment.
-It we..................................................................................................................
7>I think you should volunteer to clean the beach.
-If I were.................................................................................................
8>The air is polluied,so there are breathing problems(leads).
9>Their children have birth defects because the parents were exposed to radiotion(so)
Đáp án: C
Giải thích: so + mệnh đề: vì vậy
Dịch: Đất đai bị ô nhiễm vì nông dân dùng quá nhiều thuốc trừ sâu và diệt cỏ.