I

1, He was despised because he was dishonest.

2, I will do it since you want me to.

3, He sat in the shade and drank some tea as Jim was hot and thirsty.

4, We drank because we were very thirsty.

5, My younger brother woke up with a sore throat since he had cheered loudly at the basketball game.

6, I went to the library because I had some books to return.

7, Mary ironed it as her shirt was wrinkled.

8, The buses do not stop as they are full.

9, He liked to take the underground because it took a lot of time to drive.

II

1, because

2, because

3, because of

4, because of

5, because

I - ...

1) He was despised because he was dishonest

2) I will do it since you want me to

3) He sat in the shade and drank some tea as Jim was hot and thirsty

4) We drank because we were very thirsty

5) My younger brother woke up with a sore throat since he had cheered loudly at the basketball game

6) I went to the library because I had some books to return

7) Mary ironed it as her shirt was wrinkled

8) The buses do not stop as they are full

9) He liked to take the underground because it took a lot of time to drive