同义句 What does Li Ming do in his free time?What does Li ming do when he ___ ___?
问题描述:
同义句 What does Li Ming do in his free time?What does Li ming do when he ___ ___?
答
is free
答
is free/isn't busy (有空)
答
is free
in his free time 就是“在他有空的时候”
相当于 when he is free