帮忙英语改错
1:Silk,infact,wassoexpensiveanditwasknownasthe"colthofkings".
2:Thiskindoftreeisoftenenoughstrongtobeartheweightofagrownman.
3:Hehascutdownsmokefromthirtytofivecigarettesaday.
4:Breakingsportsrecordsisbecominganincreasingdifficultachievement.
5:Hesioneofthosepeoplewhoisneversatisfied.