精选优质文档-倾情为你奉上单句改错( 1 )1.Chuck is a businessman who is always very busy that he has little time for his friends.2.The number of people who learns English as a foreign language is more than 750 millions.3.Except the differences in spelling, written English is more or less the same in both British and American English.4.You will get close to the nature and take exercise at the same time.5.You should not go rafting if you know how to swim.6.The teacher told the stud