=>
1. It's dangerous to walk in the city at night.
2. Although she was successful, she felt dissatisfied.
3. It snowed heavily, so we couldn't arrive home early.
4. Unless the weather is bad, we will go out.
5. I suggest taking a showewr instead of a bath to save energy.
6. Although it was cold, we went swimming.
7. This is my friend who is very good at English.
8. The festival which occurs in late March or early April is called Easter.
9. Is this the man whom we met yesterday?
10. If we had much money, we could have a vacation abroad.
