改错
1.shanghaiislargerthananycityinchina
2.oct.15thisoneofthemostexcitingdayin2003
3.thissongisbecomingmorepopularandmorepopular
4.thisboxismoreheavierthanthatone
5.it'smuchbettertopickapplesthanhaveclasses
6.doyouknowwhoistheyoungestinthethree
改同义句1.mybraotheristellerthani改为i______so______mybrother
2.annrunsfasterthani改为i___run____ann
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