问题描述：
6.The car he _____broke down again.
A.had had repaired
B.had been repaired
C.has repaired
D.had to be repaired
为什么,还有 .这车到底是要修还是修了,没分了,
A.had had repaired
B.had been repaired
C.has repaired
D.had to be repaired
为什么,还有 .这车到底是要修还是修了,没分了,
问题解答：
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