问题:
【题文】— When you to learn to skate?
— Five years ago.
A.do; start
B.will; start
C.had; started
D.did; start
【题文】— When you to learn to skate?
— Five years ago.
— Five years ago.
A.do; start | B.will; start |
C.had; started | D.did; start |
参考答案: