1 The old man walked slowly to the park.
2The children seemed very .nervousbefore the final exam.
3The children seemed very happily before the final exam.
4. Hoa was extremely pleased that she got an A for her assignment.
5. I hate him because he behaves friendly
2/
1Ba is tired because ,He stayed up late watching TV.
2 As I was careless, I broke the cup
3 Since I want to go home ,I feel sick
4 I am surprised that she hasn't phoned
5 Won't go
6 has
7 meet
8 for