Ex 1

1, I couldn't sleep because of the loud noise next to my door

2, The tsunami happened, which made people in this area became homless.

3, Many plants and trees died since the acid rain happened last month.

4, If there hadn't been conflicts in that country since last year, people wouldn't have lived unhappily.

5, If this factory treated its waste well, there wouldn't be a lot of water pollution.

6, thay so -> because

7, Both New Zealands and Australia are surrounded around by coasts 

Ex 2 

1, Five houses in a village in the eastern region were buried by the mudslide.

2, Three cats have been rescued by the volunteers.

3, Dead trees on some streets are being cut down to prepare for the fourthcoming storm.

4, Furnitured should be moved to higher places because of the flood by us.

5, The house had been repaired before the typhoon came.

6, What kind of injurues caused by the earthquake?

7,  People weren't warn about the possibility of a tsunami by the government.

8, Have the damaged brigde been restored by the workers yet?