Complete the second sentence so that it has the same meaning as the first

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I. Complete the second sentence so that it has the same meaning as the first.
1. It is wrong of you to talk in class.
-> You mustn't.....
2. It is not a good idea when we break things at Tet.
-> We shouldn't......
3. My new school has two playgrounds.
-> There are.....
4.A house in the city / expensive/ a house in the country.
5.This dress /pretty/ that one.
6. It's a good idea to get up early and do exercise.
-> You should......
7.My home town doesn't have any buildings and theatres.
->There.......
8. It's necessary to do the homework.
->You must........
9.How/ books / there /your bag ?
->.....
10.Ha Long bay is in Quang Ninh province. ( Đặt câu hỏi cho phần gạch chân)