________ did you tell Jim about the news, Clara— By ________ an e-mail.

was telling about my exciting travels when he _________ with a story of his own.

依次填入下列各句横线处的成语，最恰当的一组是（ ）① ，重视纪律，是警察最重要的界线。但若打破警界线，勇探与悍匪合作，侦缉与破案能力可能变成无限大。②在我们社会主义社会里，是非、善恶、美丑的界限应 ，坚持什么、反对什么，倡导什么、抵制什么，必须旗帜鲜明。③ 的美国联邦众议院通过应急预算法案，让政府在新年度得以维持运作，但此法案也斩断了总统奥巴马医改法案财源。

Zheng He’s first stop during the expedition was in _______ is a part of Vietnam today

The time he has devoted ________ the disabled is now considered ________ of great value [ ]