1. He’s had a cold for two days because he didn’t wear enough warm clothes.
2. I stayed home because it rained. 
3. They’ve decided to clean the lake up because it is full of rubbish.
4. Because she works in that small town, she’s lived in that small town for three years.
5. Because the neighbourhood is nice and quiet, they think they should move there.

1. He's had a cold for two days because he didn't wear enough warm clothes.
2. I stayed at home because it rained.
3. They've decided to clean the lake up because it is full of rubbish.
4. She's lived in that small town for three years because she works in that small town.
5. They think they should move to the neighbourhood because there is nice and quiet.
( Tick √ cho mình 5* với nhiee )