It is ____unusual that we fall ill now and then.After all ,good health is a relative thing

问题描述:

It is ____unusual that we fall ill now and then.After all ,good health is a relative thing
something everything anything nothing
哪个对啊 为什么

选nothing.
根据上下文的意思来选:我们偶尔生病没什么稀奇的.毕竟身体健康只是相对的