Cho dang dung cua tu trong ngoac:
1. Everything was strange and difficult when Hoa came to HaNoi and she was (happy).
2. My father works at the library of Congress. He's a (library).
3. Don't (worried) about me.I can take care of myself.
4. February has (few) days in a year.
5. I have no house to live in . I am a (home) boy.
6. Ba can draw well. He'll be a famous (art) one day.
7. My classroom is on the (five) floor.
8. A house in the country is (cheap) than the city.