【小题1】Those are orange coats.（改为单数）
That’s an _1_Do _doesn’t live 2_There are orange coat.
【小题2】I go to the school library every Tuesday. （改为一般疑问句）
3 you go to the school library every Tuesday?
【小题3】Kate lives in a tall building in the middle of the city. (改为否定句)
Kate 4 Whose 5_How many photos are in a tall building in the middle of the city.
【小题4】The teacher has some books in his hand. (同义句改写)
What can do 6_When does go How often 7_ some books in the teacher’s hand.
【小题5】The model plane is Nick and Peter’s. (对划线部分提问)
8 is the model plane?
【小题6】There is only one photo on the wall. (对划线部分提问)
_ 9 10_ 11_ 12_ there on the wall?
【小题7】We can read books in the reading room. (对划线部分提问)
13_ 14 you 15 in the reading room?
【小题8】She often goes shopping after supper. (就划线部分提问)
16 17 she often 18 shopping?
【小题9】We go to school five days a week.
19 20 do you go to school?
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解析：
【小题1】句子改成单数要注意主语，谓语和宾语都要变成单数：thoseare变成that’s oranges变成an orange。
【小题2】一般现在是的句子变成疑问句时，如果动词是实义动词，需要在主语前加上助动词，主语是第一人称，第二人称或第三人称复数用Do，主语是第三人称单数用Does。
【小题3】一般现在是的句子变成否定句时，如果动词是实义动词，需要用助动词的否定，主语是第一人称，第二人称或第三人称复数用Don’t，主语是第三人称单数用Doesn’t,再加上动词原形。
【小题4】原句是某人拥有，用have/has,第二句是老师手上有用There be句型，因为主语是some books,所以be动词用are。
【小题5】对名词所有格提问用Whose，也可以说:Whose model plane is this?
【小题6】对数量提问用How many，即使原句名词是单数，how many后也要用名词复数，所以用 photos。
【小题7】对谓语动词提问用What… do,原句用的是情态动词can,所以要提前can.
【小题8】这句话的划线成分是时间，用When提问，原句是一般现在时，变成疑问句用助动词，又因主语是she，所以用 does 而动词改成go。
【小题9】划线部分是一周四次，表示频率，用How often提问，是多久一次。