1. Quang said: “ New pipes are very expensive” (Use Reported Speech)
=> Quang said that.
2. Viet Nam is a country that exports rice. (Use Compound word)
=> Viet Nam is.
3. The children love Santa Claus (Use Passive Voice)
=> Santa Claus
4. She asked Nam: “ Do you know Great Wall of China?” (Use Reported Speech)
=> She asked Nam