A Shopping Trip One morning Mr and Mrs Green go shopping in their car. In the shop they sec a lot of clothes. Mrs Green likes them. So she buys a shirt for their son, a skirt for their daughter, and a sweater for Mr Green. She buys a blouse for herself, too. At about twelve o'clock, they go home, but they lose their way. Mr Green drives over to an old man and asks, "Where am I?" " You're in your car, sir. " he answers. ( )1. Mr and Mrs Green go shopping in the afternoon. ( )2. Mrs Green buys a sweater for herself. ( )3. At eleven o'clock, they lose their way. ( )4. The old man is humorous (幽默的) .