第一节：短文改错 i worried about the missed bag all the evening. i tried to remember exact what i had done from the time i left the store until at the time i got home. i remembered whether i had looked at the bag while i was having lunch. so i must have it when i left the store. i remembered showing it for a friend on the bus. but i had the bag then. i came directly from the bus to my house, and i must have forgotten it on the bus. i was in hurry to get off and forgot to check the packages lying on the
