She is always helpful and friendful 这句话哪里错了?

She never _____angry,she is always happy. She is always和She always有什么区别? she is always study.还是she always study hard? she is thin but she is always on a diet Because she is always there to listen She is always friendly and helpful. She is always friendly and helpful. She is always ready ____(help) others. She is always helpful ____others.填介词 She is always _____(worry) about him. she is always works hard.中文是 翻译：she is always open to persuasion She is always at him about something. she is always full of______(energy） She is always happy的同义句 she is always happy同义句转换 she is always right.同义句 She is always asking many questions对吗