Ex3. Join each pair of sentences using because, as or since.
1. He stopped the car. The traffic lights turned red. (because)
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2. Jane didn’t join our programme. She had to take a summer course. (as)
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3. He behaved very rudely. Everyone dislike him. (since)
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4. They like doing something useful. They do volunteer work. (because)
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5. I won’t be able to attend the meeting. I’ll be on holiday with my family. (since)
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6. It was raining heavily. We decided to stay home and watch TV. (as)
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7. He wants to get fit. He’s training hard. (because)
.
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8. Sally was ill. She didn’t go to school yesterday. (since)
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9. Jane stayed behind after the class in order to talk to the teacher. (because)
.
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10. He was sick. He stayed at home.
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Join each pair of sentences using because, as or since. 
Ex3. Join each pair of sentences using because, as or since.
1. He stopped the car. The traffic lights turned red. (because)
-> He stopped the car because the traffic lights turned red.
2. Jane didn’t join our programme. She had to take a summer course. (as)
-> As Jane didn't join our programme, she had to take a summer course.
3. He behaved very rudely. Everyone dis him. (since)
-> Since he behaved very rudely, everyone diss him.
4. They doing something useful. They do volunteer work. (because).
-> Because they doing something useful, they do volunteer work.
5. I won’t be able to attend the meeting. I’ll be on holiday with my family. (since)
-> I won't be able to attend the meeting since I will be on holiday with my family.
6. It was raining heavily. We decided to stay home and watch TV. (as)
-> As it was raining heavily, we decided to stay home and watch TV.
7. He wants to get fit. He’s training hard. (because).
-> Because he wants to get fit, he is training hard.
8. Sally was ill. She didn’t go to school yesterday. (since)
-> Since Sally was ill, she didn't go to school yesterday.
9. Jane stayed behind after the class in order to talk to the teacher. (because).
-> Jane stayed behind after the class because she wanted to talk to the teacher.
10. He was sick. He stayed at home.
-> He stayed at home because / as / since he was sick.