根据短文内容及首字母提示,填写所缺单词。

     The mobile phone is a useful thing, but maybe I don't know h    1   to use it. Sometimes it makes things difficult for me.

     One day I wanted to see a friend nearby. I could arrive a 2  his house in five minutes, but I looked at

my mobile phone and thought i 3       would be better to ring him up. I rang him for the first time, but the

line was busy. Five minutes later, there was an answer, but it was the wrong n 4  . Then I tried a 80 and

this time I got an answer from him.

     I asked him if(是否) he was at  home  in  the  afternoon. And he said. At 1     5    I thought he saidhe

would be at home all the afternoon. So I went to his house, but then I found n     6  in. I called him for the

fourth time. This time I got so angry that I s 7   loudly,  "You are not at home? But you just told me over

the phone that you would be at home all the afternoon!"

     Here w  8 his answer "No, I said: 'I will NOT be at home all the afternoon.'"

     I went back to my room, sat down and looked at my phone. What e       9  could I do? Nothing!