25. Bill Gates is the co-founder of Microsoft. (dòng đầu tiên)

26. The Bill & Melinda Gates Foundation aims to improve healthcare, reduce poverty, and promote education around the world. (câu cuối đoạn)

27. Although the weather was bad, they visited Hoi An Ancient Town. 

28. The red bike is not as expensive as this bike. 

29. Nam asked me if I liked pop music. 

30. He didn't know where to find the restaurant for lunch/ where the restaurant was. 

31. We should know how to activate the fire alarm. 

32. He turned down her invitation to the party and she was really upset. 

1. Bill Gates is the co - founder of Microsoft, the world's largest PC software company.

2.  to improve healthcare, reduce poverty, and promote education around the world

A. 

1. although the weather was bad, they visited hoi an ancient town 

2. the red bike is not the cheapest 

3. nam asked if i liked pop music 

4. he didn't know where the lunch restaurant was

B. 

31. we should know how to activate the fire alarm 

32. he turned down her invitation party and she's really upset