【小题1】The man has to see a doctor. （改为否定句）
The mandoesn’t have to see a doctor.
【小题2】They are staying there for three weeks.（对划线部分提问）
How long are they staying there？
【小题3】Tom is 10 years old. Bob is 12 years old. (合并为一句)
Tom is two yearsyounger than Bob.
【小题4】Shanghai is bigger than any other city in China. (改为同义句)
Shanghai isthe biggest city in China.
【小题5】I went to bed after my father came back last night. (改为同义句)
Ididn’t until go to bedDid play my father came back last night.
【小题6】He played tennis with his father yesterday. (改一般疑问句)
doesn’t have he How long tennis with his father yesterday?
【小题7】I had a good time at the party yesterday. (同义句)
I younger than the biggest at the party yesterday.
【小题8】It takes him an hour to do the homework every day.
He didn’t until an hour Did play the homework every day.
【小题9】He sees a film with her once a week. (对划线部分提问)
enjoyed myself spends doing /on does he see a film with her?
【小题10】Drink some milk before you see the doctor. (否定句)
How often drink Don’t any milk before you see the doctor
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解析：
【小题1】主语为单数第三人称，谓语动词为一般动词，用doesn’t构成否定句，后跟动词原形have，故本题空格处填doesn’t have。
【小题2】对时间长度提问的用疑问短语多长How long。
【小题3】本题所表示的含义也就是汤姆比鲍勃小2岁，使用年轻的比较级younger，故本题空格处填younger than。
【小题4】本题所表示的含义也可以为上海是中国最大的城市，故空格处填大的最高级the biggest。
【小题5】本题的含义也可以表示为昨天晚上直到我爸爸回来，我才去睡觉，not……until表示直到……才的含义，故本题空格处填didn’t until。
【小题6】本题谓语动词是一般动词的过去式，故使用助动词did构成一般疑问句，后跟动词原形play，故本题空格处填Did play。
【小题7】本题的含义为在昨天的聚会上我玩得开心，enjoy oneself表示玩得开心，故本题空格处填enjoyed myself。
【小题8】主语为人用spend表示花费，在做某事上花费用doing或on，故本题空格处填spends doing /on。
【小题9】对频率提问的用疑问短语多久一次How often。
【小题10】祈使句的否定形式在动词前加don’t，故本题空格处填Don’t any。