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( 1 )years ago ,life was much ( 2 )than today.People did not

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( 1 )years ago ,life was much ( 2 )than today.People did not have( 3)machines .There was no modern machines ,( 4 ).Life today has ( 5) new problems .One of the ( 6)is(7 ) .Everyone must help to fright pollution.
( ) 1 A.Hundreds of B.A hundred of C .Hundred D.Hundreds
( ) 2 A.harmful B.hard c.harder D.hardly
( ) 3 A.many B.much C.new D.old
( ) 4 A.also B too C eight D neight
( ) 5 A.bring B brought C bought D become
( ) 6 A.biggest B.oldest C.bigger D.older
( ) 7 A.population B.people C.pollute D.pollution
1.A
2.C
3.A
4.C(either)
5.B
6.A
7.D