初二的英语阅读题.Dave walked into a shop.It had a sign outside:"Seco

初二的英语阅读题.
Dave walked into a shop.It had a sign outside:"Secondhand clothes bought and sold."He was carrying an old pair of trousers and asked the owner of the shop,"How much are these worth?"The man looked at them and then said,"Two dollars."What?"said Dave.I had guessed that they were borth at least five.""No,"said the owner,"they aren't worth a cent more than two dollars."
"Well",said Dave,taking two dollars out of his pocket,"here's your money.These trousers were hanging outside your shop.The list price of them was six dollars and a half.I thought that was too many money,so I wanted to find out how much they were really worth."
Then he walkded out of the shop with the pair of trousers and disappeared before the owner could think of anything to say.
1.Dave went to a shop ________a pair of trousers.
2.The owner of the shop thought that Dave__________the trousers.
3.The owner of the shop would give Dave___________for the trousers.
4.The owner of the shop said that the trousers were worth only two dollars because he wanted to___________.
先把短文翻译出来,再做填空．不要机译．