阅读理解。 One day Mr and Mrs Green drove to a shop. They stopped the car in front of the shop. An hour later they came back to the car with a lot of things. They wanted to put the things in the car, but Mrs Green could not open the car door. Then Mr Green gave all things to Mrs Green, he put the key into the lock and turned it, but he couldn' t open it! 'Oh dear,' said Mr Green, 'What's wrong with it? We can' t open the door!' 'Let's ask the Policeman. 'Mrs Green said. The policeman came and helped them. Soon he got the door open. The Greens thanked him. At that time a man came up and shouted angrily (怒吼), 'What are you doing with my car?' Mr and Mrs Green looked at the number of the car, and their face turned red. Their car is next to the man's car! 1. The Greens went shopping ________. A. by bus B. by car C. on foot. 2. They were in the shop and bought a lot of things ________. A. for an hour B. more than an hour C. an hour later 3. ________ opened the car door very soon. A. Mrs Green B. Mr Green C. The Policeman 4. Why was the man angry? Because ________. A. he couldn't find his car. B. the policeman drove his car away. C. other people opened his car 5. The Greens didn't open the car because ________. A. it wasn't their car B. there was something wrong with it. C. they had a lot of things in their hand.