新中国第一部歌剧是（ ）。

(单选题)Teenager children begin to insist on their independence and (单选题)—Sir, I want to improve my knowledge of martial arts. In add (单选题)Here, ______ the newly elected central leadership, I wish to (单选题)Perhaps it was because Mathew ______ the mobile phone, that (单选题)—Don’t you think it a good idea to follow your doctor’s advi (单选题)In a mass shooting in Las Vegas on October 3rd, a gunmen ope (单选题)On 25th September, We Chat removed ______ could be considere (单选题)The goal which they are unlikely to live to see ______ is to (单选题)______ the number of people queening up outside, Apple Store (单选题)Look forward! Not until you let go of your past failures and