题目内容
12. Betty practiced playing the piano yesterday afternoon.
(用 at five yesterday afternoon 替换 yesterday aflemoon 改写句子)
Betty the piano at five yesterday afternoon.
12. was practicing playing
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题目内容
12. Betty practiced playing the piano yesterday afternoon.
(用 at five yesterday afternoon 替换 yesterday aflemoon 改写句子)
Betty the piano at five yesterday afternoon.
12. was practicing playing