6. 浏览各选项，find意为“找到”，强调找的结果；see意为“看到”，强调看的结果；look at意为“看”，强调看的过程；根据句意“我的照相机在哪儿了？我找不到它了”可知C项符合句意。
7. 题干中的主语是he，为第三人称单数，故问句中借助于助动词does；答语中用动词的第三人称单数形式。选项B正确。
8. 第一空前的主语she是第三人称单数，故谓语动词用第三人称单数形式；第二空前的主语是they，是复数，故谓语动词用原形。只有D项正确。
10. 浏览题干可知，主语Mike and his mother是复数，故谓语动词用复数形式，排除A，C两项；根据答语“他们两个都很高”可知问句询问他们的相貌，故应用be like。故B项正确。 Ⅱ.
1. don’t watch 2. doesn’t go 3. Do; like 4. does; do 5. Do; read 6. does 7. Do; brush 8. does; do 9. Does; play 10. does; have 11. Does; like; does 12. is 13. doesn’t do 14. flies 15. is Ⅲ.
1. doesn’t watch 2. Do; do; No; don’t 3. Does; like; Yes; does 4. Does ; like 5. don’t go 6. doesn’t speak 7. What do; like doing 8. Where does; come 9. What’s 10. Do; have Ⅳ.
1. Is → Does 2. likes → like 3. play → playing 4. teachs → teaches 5. don’t do → doesn’t do
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