GrammarⅠ
改错1.—Whatdoyousupposehashappenedtohim
—Idon'tknow
Heshouldhavegotlost
________________________________________________________________________2.—Jerrydoesn'tmindlendingyouhisbike
—Hecouldn't
IhaveborrowedMary's
________________________________________________________________________3.Ifhehadbeenhere,hecanhavegivenussomehelp
________________________________________________________________________4.Ididn'thearthephone
Ishouldhavebeenasleep
________________________________________________________________________5.MyEnglishChinesedictionaryhasdisappeared
Whowouldhavetakenit
________________________________________________________________________6.Greatchangesmusthavetakenplaceinthevillageinthepastfewyears,mustn'tthey
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