I don‟t become a serious climber until the fifth grade

I don‟t become a serious climber until the fifth grade,______ I went up to rescue a kite that was stuck in the branches of a tree.
A.when
B.where
C.which
D.why benbenerhao 1年前他留下的回答 已收到1个回答

ly_214plum 网友

该名网友总共回答了18个问题，此问答他的回答如下：采纳率：100%

A.when
when=at that time

1年前他留下的回答

5

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