摘要： --When you to learn to skate? --Five years ago.
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--When _______ you _______ to learn to skate?
--Five years ago.
A. do; start B. will; start C. had; started D. did; start
查看习题详情和答案>>— When you to learn to skate?
— Five years ago.
| A．do; start | B．will; start |
| C．had; started | D．did; start |