问题描述：
Xiao Wang looks pale.she ____ill
can be must be should be has to be
我觉得can be和should be都可以用啊 为什么呢
can be must be should be has to be
我觉得can be和should be都可以用啊 为什么呢
问题解答：
我来补答展开全文阅读