Sure, here are the combined sentences for Exercise 1 and the rewritten sentences for Exercise 2:

**Exercise 1: Combine these sentences using: though, although, even though**

1. Lion dancing is very popular in Viet Nam, although my friend Anny does not enjoy it.
2. Although Bob always walks to work, he is living in the city.
3. Although my house is near the beach, I rarely go swimming.
4. Even though my brother is working in Ha Noi, he comes home on every public holiday.
5. Although Paul is an Australian, he enjoys Vietnamese New Year.
6. Most children go to see the firework show, though Linh and Mai stay home watching TV.
7. Even though Nick used to smoke, he seems to be in good health.
8. Although I was tired, I couldn't sleep.
9. Although Henry's friend is a millionaire, he hates spending money.
10. Even though we queued for an hour, we couldn't get tickets.

**Exercise 2: Rewrite the sentences, beginning with the words in parentheses**

1. Although she has plenty of money, she is very mean.
2. They have a car, though they rarely use it.
3. Although he was innocent, he was sent to prison.
4. Even though he has a number of relatives living nearby, he never visits them.
5. Even though she never takes any kind of exercise, she is quite fit and healthy.
6. Although the keyboard wasn't working well, she tried to finish the letter.
7. Although the forecast said it would rain, it turned out to be a beautiful day.
8. Even though I've taken the bill, I'm no better.
9. Though the traffic was bad, I arrived at the airport on time.
10. Though I had all necessary qualifications, I didn't get the job.
11. Although it rained a lot, we enjoyed the vacation.
12. Though she felt sick, she went to work.
13. Even though I was really tired, I couldn't sleep.
14. Although he is very rich, he isn't happy.
15. Though she is very intelligent, she couldn't answer the question.
16. Though he tried, he was not successful.
17. Although his life is hard, he is determined to study well.
18. Though he was wise and experienced, he was not taken in.