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I was______playing the piano yesterday, but I was too busy.
I was______playing the piano yesterday, but I was too busy.
admin
2013-01-10
40
问题
I was______playing the piano yesterday, but I was too busy.
选项
A、to be starting
B、to start
C、to have started
D、to have been starting
答案
C
解析
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0
专业英语四级
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