This surperarket isn't as expensive as the one across the street (less)

Write the second sentence so that it has a similar meaning to the first one.Use the words in brackets:
1.This surperarket isn't as expensive as the one across the street(less)
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2.The English teacher started teaching at our school three years ago(for)
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3.My doctor advised me not to eat in fornt of the television(said)
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4.You won't pass the exam unless you study harder(if)
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5.Hanoi urban districts are noisier than its suburban areas(as)
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6.Why don't we go to uncle Huan's farm this weekend?(going)
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7.Sarah found it difficult to learn to read in Japanese(difficultly)
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8.The book was so complicated that we couldn't understanded it(too)
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9.Sandy now doesn't study so diligently as she did in the past(more)
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10.The Chinese printed the first books more than a thousand years ago(by)