【C19】A．whenB．whichC．whoD．where

【C19】A．whenB．whereC．howD．if

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【C5】A．whenB．whichC．howD．it

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材料题请点击右侧查看材料问题 查看材料A.whenB.thatC.whoD

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【C7】A．whenB．whichC．whereD．that

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52._________A. whenB. thatC. whoD. whose

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See the flags on top of the building? That was _____we did this morning.[ ]A. whenB. whichC. whereD.

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He doesn’t reach the Great Wall isn’t a true man.A.thatB.whichC.whoD.whom

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