V.
1. False
2. True
3. False
4. True
VI.
1. It begins between January twenty-first and February nineteenth.
2. They usually tidy their house, cook special food, clean and make offerings on the family altars.
3. It's lasts ten days.
4. The first three days are the most important.
VII.
a.
1. We haven't met them since three years ago.
2. The film was enough interesting for us to watch.
b.
1. I asked Hoa if she like music.
2. I was gave a small gift by my father yesterday.
c.
1. His mother used to washes the clothes when he was a boy.