Question 3:If you don’t stop swimming in that lake, you will have a rash.

A. Unless you don’t stop swimming in that lake, you will have a rash.

B. Unless you stop swimming in that lake, you will have a rash.

C. If you don’t keep swimming in that lake, you will have a rash.

D. Unless you keep stop swimming in that lake, you will have a rash.

Question 4: The polluted water results in the death of many aquatic animals and plants

A. The polluted water causes in the death of many aquatic animals and plants.

B. The polluted water leads to the death of many aquatic animals and plants.

C. The polluted water causes to the death of many aquatic animals and plants.

D. The polluted water leads in the death of many aquatic animals and plants.

Question 5:People use a lot of vehicles. The air is polluted.

A. If people don’t use too many vehicles, the air won’t be polluted.

B. If people won’t use too many vehicles, the air don’t be polluted.

C. If people wouldn’t use too many vehicles, the air didn’t be polluted.

D. If people didn’t use too many vehicles, the air wouldn’t be polluted.


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