问题描述：
What were you doing when I phoned you yesterday evening?
I( )just finished my homework and I( )to watch TV.
A.have,am going B.have,was goingC.had,was goingD.had,am going
写明为什么
I( )just finished my homework and I( )to watch TV.
A.have,am going B.have,was goingC.had,was goingD.had,am going
写明为什么
问题解答：
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