( )1. Mary's friend wants to copy (抄袭) her homework. ( )2. Jack lost his school bag in the library. ( )3. David's mother is ill, but his father isn't at home. ( )4. Cathy was sitting on the bus when an old man got on. ( )5. Brian saw a purse on the road. And there is some moneyand an address (地址) card with the telephone number of the owner in it.
A. She should pretend (假装) to be asleep. B. He should send for a doctor. C. He should keep it and buy some books for himself. D. He should go to the Lost and Found. E. He should call the owner. And tell him / her to get his / her purse back. F. She should offer her seat to the old man. G. She should say "no" to her friend, and tell him / her it's wrong to do so.