确。Р6. 浏览题干可知句意为“汤姆是一名工人,他在一家工厂上班。他的姐妹们在一家医院上班”。表示一种现实情况,故时态用一般现在时。he是第三人称单数,故谓语动词用第三人称单数形式works; his sisters 是复数,故谓语动词用复数形式work。选项B正确。Р9. 根据句子主语we可知动词用原形形式;often是一般现在时的标志词,故用一般现在时,选项A正确。Р13. 浏览题干,根据答语“我在吃肉”可知问句询问“你在吃什么?”,故疑问词用what;meat是不可数名词,在肯定句中用some修饰。故选A项。Р14. 根据题干的后半句“他们做作业”可知前半句句意为“他们晚上不看电视”,前后两句间有转折关系,时态用一般现在时。故选项C正确。РⅢ.Р1. is drawing 2. are singing 3. is cooking 4. are; doing 5. are having 6. aren’t wateringР7. are dancing 8. is listening 9. are having 10. Is; washing 11. doing; am eating Р12. is working 13. is putting 14. Is; cleaning; is playing 15. is singing; is singingРⅣ.Р1. Are; doing; Yes; are 2. Are; cleaning; No; aren’t 3. What are you doingР4. am; my 5. Where are; playingРⅤ. Р1. Is; writing; Yes; is 2. does; is watching 3. are playing 4. can’t go; is rainingР5. are having