1.
Mr Ba is said to be the richest man in this town
It is said that Mr Ba is the richest man in this town
2. I haven't spoken to her for 2 years
3.
If you don't hurry up, you'll be late for school
Unless you hurry up, you'll be late for school
4. Traveling by air makes me feel nervous.
5. Although the weather was bad, they had a wonderful holiday
6. HCM City is the largest city in Vietnam