题目内容：

短文填空。

The mobile phone is a useful thing, but maybe I don’t know1. to use it. Sometimes it makes things difficult for me.

One day I wanted to see my friend nearby. I could2.at his house in five minutes, but I looked at my mobile phone and thought 3.would be better to ring him up. I 4.him for the first time, but the line was busy. Five minutes later, there was an answer, but it was the wrong number. Then I tried 5. and this time I got an answer from him.

I asked him if he was at home in the afternoon. And he said—at 6. I thought he said--he would be at home all afternoon. So I went to his house, but then I found 7.in. I called him for the fourth time. This time I got so angry that I shouted, “You are not at home? But you just told me over the telephone that you would be at home all afternoon!”

Here 8. his answer, “No, I said: ‘I will NOT be at home all afternoon.’”

I went back to my room, sat down in front of the mobile phone and looked at it. What else could I do? Nothing!