1.complete the sentences using the correct comparative,superlative form or ''as.....as'' of the adjectives given
1.some people think that music isn't [important].......................maths or science.i don't agree
2.the guitar is one of the [popular].................instruments among young people
3.it's [easy]...............to play an instrument after you've been practising for a while 
4.i play the piano [good].................than i play the violin
5.guitars aren't [expensive].........................many other instruments
6.saxophones are [heavy]......................than keyboards for beginners
8.mai is [good].......................singer in our class
2.complete the sentences by using as......as,not............as,different..........from
1.her duaghter.............................................her [beautiful]
2.that dog......................................it looks [not dangerous]
3.school in viet nam............................school in the USA [different]
4.these trees....................................those [same]
5.his appearance.......................................what i have expected [different]
3.rewrite these sentences,keeping the original meaning
1.my house is bigger than your house
your house is
2.the black car is cheaper than the red car
the red car
3.this film is more interesting than that one
that film is
4.my kitchen is smaller than yours
your kitchen
5.my grandmother is older than every one in my family
my grandmother is the
6.no one in my class is as tall as tam
tam is the
7.i can't cook as well as my mother
my mother can cook
8.he dose not play tennis as well as jack
jackcan
9.i did not spend as much money as you
you spent
10.i don't think this book is expensive as it is
this book is
11.he is the tallest boy in his class
no one in
12.this is the most interesting film of all
no other films are
13.no cars in the world are more expensive than japanese ones
japanese cars
14.this exercise is easier than that one
that exercise is not
15.he drives more carefully than jack dose
jack
16.no one in the group plays better than he
he can
17.no hotel in the city is as comfortable as this 
this hotel is the 
18.other oceans in the world aren't as large as the pacific one
the pacific ocean is