7.
完形填空 It was time1home. I 2a bus on a rainy day. A woman with a dog got on the bus ,too. It was a big dog 3 its feet were not clean.
I didn't want the dog to sit near me. But the woman said to the assistant(售票员), “Oh, I pay for my dog . Can he sit here like other 4?”
The assistant looked at the dog and said ,“Yes ,madam , but he must not put his bag on the chair.”