有礼貌有乐于助人 polite and helpful

既有礼貌又乐于助人 Both courteous and helpful ; be polite and helpful ; Both polite and helpful

有礼貌且乐于助人 polite and helpful ; courteous and helpful

他有礼貌并乐于助人 He was polite and helpful ; He was courteous and helpful

有礼貌又乐于助人 Courteous and helpful ; polite and helpful

又有礼貌又乐于助人 polite and kind

有礼貌而且乐于助人 polite and helpful

有礼貌并且乐于助人 polite and helpful

很有礼貌并且乐于助人 Very polite and helpful