根据汉语完成句子。1．我不知道想吃什么东西.
I don't know what I want ______________________.
2．那个男孩正在打篮球.
The boy is ___________ ___________.
3．你多久洗一次澡?
___________ ___________ do you take a bath?
4．火车什么时候出发?
___________ does the train ___________?
5．北京是中国的首都.
Beijing is the ___________ ___________ of China.1. to eat
2. playing basketball
3.How often
4.When, leave
5. capital city