题目内容：

根据语段，在短文后的空格处填上一个恰当的词，使短文完整通顺，并将答案写到答题卷对应题目的横线上。

Once a man and his wife worked for a businessman. There was a big box in the businessman’s living room. The businessman pointed at the box and said, “There’s only one thing you mustn’t do. Don’t open the box.” After saying this, he1.the living room.

The woman said to his husband, “There2.be something expensive in the box. 3.open it, shall we?” Her husband said no to her.

The woman didn’t give up her idea. One day, she decided to find out4. was in it. Her husband didn’t stop her. She opened the box and looked inside. She found 5.in the box and tried hard to close it、6.she failed.

That evening the businessman came back home and found the box was open. He was very 7.and asked the woman and her husband to leave his home.

“But there was nothing in the box,” the woman said. “We haven't taken anything at8.The businessman shouted at them, "The box is not important. I can’t believe in you. That’s important.”