The rich----not always happy改填is还是are

问题描述:

The rich----not always happy
改填is还是are

The+形容词 表示某一类人或物
rich是形容词,且该句表示“富人”,是一类人,当然是复数,用are

The rich are not always happy

The rich are not always happy.
the rich表示一类人,所以用复数.

The rich is not always happy.