1.My father works / in the factory /
=>Where does your father work ?
2. .There are / three book stores / near Lan's house
=>How many book stores are there near Lan's house ?
3 There is / a park / next to our street
=> What is next to our street ?
4. / Yes / there is a book on the table
=>Is there a book on the table ?
5./ No / this is my teacher?
=>Is this your teacher ?