8．As Penicillin was widely used.many lives were saved during the war．→Duetothewidespreaduse of Penic——青夏教育精英家教网——

8．As Penicillin was widely used，many lives were saved during the war．
→Duetothewidespreaduse of Penicillin，many lives were saved during the war．

7．Some cyclists assume that traffic laws do not apply to them，but this is not true．
→Some cyclistsmaketheassumptionthat traffic laws do not apply to them，but
this is not true．

6．Once bad habits are formed，it's hard for us to get rid of them．
→Once bad habits are formed，it's hard toridourselvesof them．

5．The villagers didn't realize how serious the pollution was until all the fish died in the river．
→Not until all the fish died in the accidentdidthe villagersrealizehow serious the pollution was．
→It was not until all the fish died in the accidentthatthe villagersrealizedhow
serious the pollution was．

4．At one time his parents opposed his going to school and making contact with others for the sake of his health．
→At one time his parents wereopposedtohis going to school and making
contact with others for the sake of his health．

3．The written record of our conversation isn't in line with what was actually said．There are a lot of mistakes．
→The written record of our conversation doesn'tcorrespondtowhat was actually
said．There are a lot of mistakes．

2．With the help of satellites，people living far away from cities can have access to TV．
→SatellitesmakeTVaccessibleto peoplewholive far away from cities．

1．My brother took the pills for only three days before he finally recovered，so the medicineproved （prove） very effective．

20．I would soonerwalk （walk） to the park than take the bus．It's too far．

19．Follow （follow） these tips，and your timespent （spend） doing research on the internet will be much more worthwhile．

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