来自金望明的问题
Theknife___weusedtocutthebreadisverysharp.A.withwhichB.withitC.withthatD.which
Theknife___weusedtocutthebreadisverysharp.A.withwhichB.withitC.withthatD.which


Theknife___weusedtocutthebreadisverysharp.A.withwhichB.withitC.withthatD.which
Theknife___weusedtocutthebreadisverysharp.A.withwhichB.withitC.withthatD.which
a