To be lovely Shanghainese,we should be helpful and ( ) to ot

To be lovely Shanghainese,we should be helpful and (friendly) to others。要成为可爱的上海人,我们应当对别人乐于帮助而且友好。be friendly to sb,对某人友好。friendly,友好的,虽然以ly结尾,它其实是个形容词。