How old was he when he became a player?怎么回答?是:When he was 20 years old.

问题描述:

How old was he when he became a player?怎么回答?是:When he was 20 years old.

去掉when 这里问 他当队员的时候多少岁,只需回答多少岁,若用我when.就为当他多少岁,意思不对那能用过去式吗?当然应该用, 问题 就是用过去时问的啊