Give affirmative response to all questions. 1. Wǒ xìng Zhāng. 我姓张。 My surname is Zhāng. Wǒ bú xìng Zhāng. 我不姓张。 My surname is not Zhāng. 2. Wǒ xìng Chén. 我姓陈。 My surname is Chén. Wǒ bú xìng Chén. 我不姓陈。 My surname is not Chén. 3. Wǒ xìng Huáng. 我姓黄。 My surname is Huáng. Wǒ bú xìng Huáng. 我不姓黄。 My surname is Huáng. My surname is not Huáng. 4. Wǒ xìng Gāo. 我姓高。 My surname is Gāo. Wǒ bú xìng Gāo. 我不姓高。 My surname is not Gāo. 5. Wǒ xìng Sūn. 我姓孙。 My surname is Sūn. Wǒ bú xìng Sūn. 我不姓孙。 My surname is not Sūn. 6. Wǒ xìng Zhāng. 我姓张。 My surname is Zhāng. Wǒ bú xìng Zhāng. 我不姓张。 My surname is not Zhāng. 7. Wǒ xìng Zhōu. 我姓周。 My surname is Zhōu. Wǒ bú xìng Zhōu. 我不姓周。 My surname is not Zhōu.