Model:the computer is very useful to us,_isn't it?__

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Model:the computer is very useful to us,___isn't it?____
1,our country as changed a lot since1978,_____?
2,it's going to rain this afternoon,______?
3,she teaches maths,______?
4,we're going to have an english exam next week,_____?
5,yuu won't be away for long,_______?
6,you won't have any classes tomorrow,_________?
7,they can't walk there,________?
8,you haven't finished your work yet,______?
9,he knew how to mend the machine,______?

1.has't it
2.isn't it
3.doesn't she
4.aren't we
5.will you
6.will you
7.can they
8.have you
9.didn't he

----------the robot is very useful to us,we should treat it it is very useful to learn computer skills再动名词进行同义句转换 1.the internet is very useful ,it can p_____ us with the las The computer is very important to us The computer is _____ _ The computer is very important to us的同义句The computer is___ _ The computer is very useful.(改为感叹句） It is very{ }to work on the computer The Intemet is very useful.We can get a lot of ____ from it. computer has ____(enable) us to find more and more useful in 一道英语句型转换!the computer is very important to us ,（同义句）the comp 英语改错I have a laptop computer.It is very useful.Firstly,it wa we find it is very useful to study english well