Exercise 8 . Underline one mistake in each sentence and correct it.( Tìm lỗi và sửa lỗi sai)
1. I live in the twenty-first foor of City Tower.
2. Does your parents live in a small village?
3. There are two high building near my house.
4. My sister doesn’t like in a big city.
5. This cities are large and busy.