- 问题详情:单句改错。1.Doing(A)morningexercises(B)are(C)goodfor(D)ourhealth.________2.Theteachersaidthat(A)lighttravelled(B)much(C)faster(D)thansound.________3.Thelanguage(A)speaks(B)in(C)theUnitedStatesis(D)English.________4le(A)hasbeendone(B)eversince(C...
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