问题补充:
It was too noisy outside. Not until at the top of my voice his head.
A. I shouted; had he turned
B. did I shout ;did he turn
C. had I shouted; he turned
D. I shouted ;did he turn
答案:
A. I shouted; had he turned
B. did I shout ;did he turn
C. had I shouted; he turned
(答案→)D. I shouted ;did he turn
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