短文填空。

    The mobile phone is a useful thing, but maybe I don't know (1)h             to use it. Sometimes it makes

things difficult for me.

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

at my mobile phone and thought (3)i              would be better to ring him up. I (4)r              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)a              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)1              I thought he said he would

be at home all afternoon. So I went to his house, but then I found (7)n               in. I called him for the fourth

time. This time I got so angry that I (8)s             , "You are not at home? But you just told me over the

telephone that you would be at home all afternoon!"

    Here (9)w              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 (10)e               could

I do? Nothing!