Complete the second sentence so that it has similar meaning to the first sentence.

Students are more aware of protecting the environment. Teachers teach environmental issues at school.

If …………………………………………………………………………….........

Water ________________ in the lake has made the fish die.

Water pollution is the ________________ in the lake has made the fish die.

Hundreds of houses destroyed after a tornado hit the small town of Texas.

A                                    B                           C                 D

The earthquake occurred at midday when many people had had lunch.

                              A                 B                  C                    D

Factories don’t dump waste into rivers if the government fines them heavily.

 A                 B                         C                                                                 D