1. a. Is there an apple tree
b. What is there near the playground?
2. a. Will they be busy
b. Why will they be busy tomorrow?
3. a. Will there be a new bookshop
b. What will there be near the stadium?
4. a. Did that tree fall down
b. When did that tree fall down?
5. a. Did he become a doctor
b. When did he become a doctor?
6. a. Did the lesson begin
b. When did the lesson begin?
7. a. Did it snow
b. How often did it snow?
8. a. Does he spend
b. Where does he spend his holidays?
9. a. Did he spend
b. Where did he spend that day?
10. a. Does it often snow
b. When does it often snow?