Viết lại câu cho phù hợp

1.This exercise was very difficult. We couldn't do it.
> (So)
-> (Because)_
-> (Because of),
2. She didn't take an umbrella so she got wet.
-> (Because).
-> (Because of),
3. We couldn't go camping because of the storm.
-> (Due to)
4. Because I am too poor, I cannot buy this house.
-> (Because of).
-> (So)
-> (make)
5. Because the dress was so beautiful, I bought it.
-> (Because of)
-> (So).
-> (Make)
6. Because the dog was too aggressive, the children were scared.
-> (Because of)
-> (So)
-> (Make).
7. Rain was so heavy that the streets were flooded.
-> (Because of)
-> (Because)
-> (Make)
-> (lead to).
8. He tried very hard. As a result, he passed a master's degree
-> (So),
-> (Because of)
-> (Because)
-> (Make)
9. Ships spill oil in oceans and rivers. Many aquatic animals and plants d
-> (So).
-> (Because of)
-> (Because)
-> (Make)
-> (lead to)
10. Noise pollution happens. There is a change in animals' living patten
-> (So)
-> (Because of)