听录音，选择正确的句子，每个句子读两遍。
（_____） 1. A. I went to a concert yesterday. B. I went to a birthday party yesterday.
（_____） 2. A. Sam played the piano. B. Amy played the flute.
（_____） 3. A. It looks like a violin. B. It looks like a guitar.
（_____） 4. A. Don’t be nervous. B. Don’t be late.
（_____） 5. A. I was nervous before the concert. B. I was very proud in the end.
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