语法填空
Henry was an office____(work) in a big city. He worked very hard and enjoyed traveling in his holidays.
He usually went to the seaside, but one year he saw____advertisement in a newspaper. “Enjoy country life. Spend a few weeks at West Hill Farm. Good food, Fresh air, Horse riding, Walking, Fishing, cheap and interesting.” “This ____(sound) a good idea,” he thought. “I'll spend a month at West Hill Farm. I think I can enjoy horse riding, walking and fishing. They'll make a change from ____(sit) by the seaside and swimming.”
He wrote to the farmer. In the letter he said that he would like to spend all of July there. Then on the first day of July, he left ____West Hill Farm.
But four days later, he returned home.
“What was wrong ____West Hill Farm?” his best friend, Ed, asked him.
“Didn't you enjoy country life?” “Country life was very good,” Henry said.
“But there was another problem.”
“Oh. What?”
“Well,” he said, “the first day I was there a sheep died, and we had roast mutton for dinner.”
“What's wrong with that?” Ed asked. “Fresh meat is the best.”
“I know, but on the____(two) day a cow died, and we had roast beef for dinner.”
“How ____(luck) you are!”
“You don't understand,” Henry said. “On the third day a pig died and we had roast pork for dinner.”
“A different meat every day,” Ed said____(loud), “and what are you complaining!”
“Let me finish,” Henry said. “on the fourth day the farmer____(dead), and I didn't dare (敢) stay for dinner!”
元二次方程x2+4x+k=0有实数解，则k的取值范围是（ ）