Mr. Johnson has a clothes store in the city. He (出售) nice clothes to people of all ages. The clothes are always at very good prices. One day, a boy comes to Mr. Johnson's store. He looks around and then asks, "Excuse me. How (多少) is the blue skirt?" "It's $20," Mr. Johnson says. "Oh, that's too expensive," the boy says. He looks very sad.
Mr. Johnson asks the boy, "Who do you want to buy this skirt (给)?"
"I want to send a gift to Mum. Her birthday is next week. She must look nice in this skirt. But I (不能) buy it now, because I only have $5."
"Well, the skirt is on sale these (天). It's only $5. You can have it now."
"Oh, that's really great! Thank you!" the boy says. He looks happy now.
"Good boy! I'm sure your mother will have a happy birthday," Mr. Johnson says.
