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參考答案 一、詞組。t know h 1 to use it. Sometimes it makes things difficult for me. One day I wanted to see my friend nearby. I could a 2 at his house in five minutes, but I looked at my mobile phone and thought i 3 would be better to ring him up. I r 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 a 5 and this time I got an answer from him. I asked him if he was at home in the afternoon. And he saidat 1 6 I thought he saidhe would be at home all afternoon. So I went to his house, but then I found n 7 in. I called him for the fourth time. This time I g