Give affirmative response to all questions. 1. Hú tōngzhì zài Běijīng gōngzuò. 胡同志在北京工作。 Comrade Hú works in Běijīng. Hú tōngzhì bú zài Běijīng gōngzuò. 胡同志不在北京工作。 Comrade Hú doesn’t work in Běijīng. 2. Lǐ tóngzhì zài Nánjīng gōngzuò. 李同志在南京工作。 Comrade Lǐ works in Nánjīng. Lǐ tóngzhì bú zài Nánjīng gōngzuò. 李同志不在南京工作。 Comrade Lǐ doesn’t work in Nánjīng. 3. Tā zài Qīngdǎo gōngzuò. 他/她在青島工作。 He/she works in Qīngdǎo. Tā bú zài Qīngdǎo gōngzuò. 他/她不在青島工作。 He/she doesn’t work in Qīngdǎo. 4. Lín tóngzhì zài Guǎngzhōu gōngzuò. 林同志在廣州工作。 Comrade Lín works in Guǎngzhōu. Lín tóngzhì bú zài Guǎngzhōu gōngzuò. 林同志不在廣州工作。 Comrade Lín doesn’t work in Guǎngzhōu. 5. Zhào tōngzhì zài Shànghǎi gōngzuò. 趙同志在上海工作。 Comrade Zhào works in Shànghǎi. Zhào tōngzhì bú zài Shànghǎi gōngzuò. 趙同志不在上海工作。 Comrade Zhào doesn’t work in Shànghǎi. 6. Chén tóngzhì zài Qīngdǎo gōngzuò. 陳同志在青島工作。 Comrade Chén works in Qīngdǎo. Chén tóngzhì bú zài Qīngdǎo gōngzuò. 陳同志不在青島工作。 Comrade Chén doesn’t work in Qīngdǎo. 7. Huáng tóngzhì zài Běijīng gōngzuò. 黃同志在北京工作。 Comrade Huáng works in Běijīng. Huáng tóngzhì bú zài Běijīng gōngzuò. 黃同志不在北京工作。 Comrade Huáng doesn’t work in Běijīng.