Question

Answer 1

1.Because/since/as

2.so

3.because/since/as

4.Because of

5.Because/since/as

Answer 2

1.Because Paul was an hour late, he missed the train.

2.As I borrowed your lawn mower, you weren't using it.

3.We had no electricity during the storm, so we had to use candles.

4.Since he need a good mark, he studied hard for the test.

5.As it's raining, we have decided to stay at home.

6.Because Tom has to work,he won't be able to go with us to the theatre.