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45.3 3. What are the children doing?

4. How is cheese made?

5. Is your sister coming to the party?

6. Why don't you tell the truth?

7. Have your guests arrived yet?

8. What time does your train leave?

9. Why didn't Emily go to work?

10. Was your car damaged in the accident?

45.4 3. What are you reading?

4. What time did she go to bed?

5. When are they going on holiday?

6. Where did you saw him?

7. Why can't you come?

8. Where has he gone?

9. How much money do you need?

10. Why doesn't she like you?

11. How often does it rain?

12. When did you do it?