Give affirmative response to all questions. 1. Nǐ shi Zhāng xiānsheng ma? 你是张先生吗? Are you Mr. Zhāng? Nǐ xìng Zhāng ma? 你姓张吗? Is your surname Zhāng? 2. Nǐ shi Zhào tàitai ma? 你是赵太太吗? Are you Mrs. Zhào? Nǐ xìng Zhào ma? 你姓赵吗? Is your surname Zhào? 3. Nǐ shi Jiǎng xiǎojiě ma? 你是蒋小姐吗? Are you Miss Jiǎng? Nǐ xìng Jiǎng ma? 你姓蒋吗? Is your surname Jiǎng? 4. Nǐ shi Liú tóngzhì ma? 你是刘同志吗? Are you Comrade Liú? Nǐ xìng Liú ma? 你姓刘吗? Is your surname Liú? 5. Nǐ shi Sòng tàitai ma? 你是宋太太吗? Are you Mrs. Sòng? Nǐ xìng Sòng ma? 你姓宋吗? Is your surname Sòng? 6. Nǐ shi Lǐ xiānsheng ma? 你是李先生吗? Are you Mr. Lǐ? Nǐ xìng Lǐ ma? 你姓李吗? Is your surname Lǐ? 7. Nǐ shi Sūn tóngzhì ma? 你是孙同志吗? Are you Comrade Sūn? Nǐ xìng Sūn ma? 你姓孙吗? Is your surname Sūn?