is后面加宾语从句。例句：Where is Sophy? Is she safe? 索菲在哪儿？她没受到伤害吧？He is an asthmatic who is also anaemic. 他是一个哮喘病人，并且还贫血。
相关介绍：
Eight hours on a bus is no joke, is it.
坐８个小时的公交车可不是闹着玩儿的，对吧。
He is in no doubt as to what is needed.
他对需要些什么心中有数。
It is a country where corruption is rife.
这是个腐败成风的国家。
温馨提示：
