1. The studentsare sitting in the classroom.

=> Where are the students?

2. Linda has to stay in bed because she is sick.

=> Why does Linda have to stay in bed?

3. My classmates like camping in the park.

=> What do your classmates like doing in the park?

4. My father went to work two hours ago.

=> Who went to work two hours ago?

5. There are 20 hotels in this city.

=> How many hotels are there in this city?

6. I last him when I was a student.

=> When did you last meet him?

7. I sometimes go to school on foot.

=> How do you go to school?

8. Our father always get up early.

=> How often do our father get up early?

9. Our school is very beautiful and big.

=> How are our school?

10. Mr.Smith comes from the United States.

=> Where does Mr.Smith come from?