你能按要求改写下列句子吗?

题目

你能按要求改写下列句子吗?
1.His mother is in Shanghai now.﹙改为一般疑问句,并作肯定回答﹚
2.The twins are in Class 1,Grade 1.﹙改为否定句﹚
3.His brother is polite and helpful.﹙改为一般疑问句,并作肯定回答﹚
4.The book is on the desk.﹙改为复数形式﹚
5.The bady is three months old.﹙对划线部分提问﹚
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6.My name is Susan.﹙对划线部分提问﹚
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7.The taxis are green in Nanjing.﹙对划线部分提问﹚
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8.My uncle is a teacher.﹙对划线部分提问﹚
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答案

Is his mother in Shanghai now
Yes,she is.
The twins aren't in Class 1,Grade 1.
Is his brother polite and helpful
Yes,he is.
The books are on the desk / desks.
How old is the baby?
What's your name?
What color are the taxis in Nanjing
What does your uncle do / What is your uncle