It's the little boy's(one) time to go to Beijing Zoo用所给词的适当形式填空

问题描述:

It's the little boy's(one) time to go to Beijing Zoo用所给词的适当形式填空

用one的序数词first
It's the little boy's first time to go to Beijing Zoo
这是这个小男孩第一次去北京动物园