给下列的问句选择合适的答语。 ( ) 1. What is he going to do tomorrow? ( ) 2. Where are they going this Saturday? ( ) 3. When will they visit a factory? ( ) 4. Who are going to have a party? ( ) 5. What time does she usually go to bed? A. Susan and Helen. B. Have a football match. C. Before half past nine. D. Next Tuesday. E. To the Summer Palace.