We think Peter is very luchy,but he always c____ that he isn't happy at all

问题描述:

We think Peter is very luchy,but he always c____ that he isn't happy at all

complains
抱怨
我们都人皮特很幸运,可是他经常抱怨他一点也不快乐!
因为he是第三人称 所以complain要加上s变成单数,固定用法