． , we would not have achieved so much.
A. If they didn’t help us
B. If it hadn’t been their help
C. Weren’t it for their help
D. Had it not been for their help
网友回答
A. If they didn’t help us
B. If it hadn’t been their help
C. Weren’t it for their help
(答案→)D. Had it not been for their help
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