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______isdifficulttoworkoutthemathpro

______ is difficult to work out the math problem.
[     ]
A. That
B. This
C. It
D. One
  初中二年级英语it 的用法   本列表只显示最新的10道试题。
it 的用法 -isnoteasytodrawpictureswiththispen.-Youareright.[]A.ThereB.ThisC.ThatD.It
it 的用法 isimportantforeveryoneenoughsleepeverynight.[]A.It,tohaveB.It,haveC.It,hasD.It,h
it 的用法 isveryimportanttolearnEnglishwell.[]A.ThisB.ItC.ThatD.We
it 的用法 Theboyfoundhardtogetalongwiththeotherclassmates.[]A.thisB.thatC.itD.is
it 的用法 Thedoctortoldhimthatwasnecessarytotakethemedicineontime.[]A.thatB.itC.thisD.what
it 的用法 isveryniceofyoutohelpmecarrythisheavybox.[]A.WhichB.ThisC.ThatD.It
it 的用法 willtakeJohnoneyeartofinishtheplan.[]A.TomB.sheC.ItD.who
it 的用法 thattheyenjoyedthegameverymuch.[]A.IseemedB.ItseemedformeC.IseemedtoknowD.Itseemedtome
it 的用法 Ithinkthesnowwillmakedifficultforusthewaybackhome.[]A.that;tofindB.it;tofindC.tha
it 的用法 Shefindsinterestingtoplaywiththisdog.[]A.thatB.itC.oneD.this
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