—How many pieces of music could he play? —Over 600 pieces. Many of these________ by himself. A.have ...
2022-07-23 21:53:51 203次 人教新目标英语九年级全册Unit 9 I like music that I can dance to 单元测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—How many pieces of music could he play?
—Over 600 pieces. Many of these________ by himself.
A.have written B.were written
C.were writing D.wrote
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