VII- Fill in the blank space with BECAUSE, BECAUSE OF, SINCE or AS :
1- She didn’t buy it ........................................................................ the price.
2- The quality of ground water has been degraded in some place ............................ its over exploitation.
3- He is tired ............................................................ he has drunk too much.
4- They decided to stay at home ...................................... the weather was bad.
5- I have played football ............................................................ 1980.
6- It was difficult to see the road clearly ............................... it was raining.
7- This coat is ..................................................... expensive as that one.
8- He left home two weeks ago and we haven’t heard from him ...................
9- Much ............................................ I like you, I couldn’t live with you.
10- .......................................................... you weren’t there I left a message.