Whieh is WRONG？A.He needn't do so many exercises every day．B.He doesn't have to do so many exercises every day．C.He doesn't need do so many exercises every day．D.He doesn't need to do so many exercises every day．
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C解析分析：分别用car和want来取代。A项He can't do…正确。B项是have to的否定形式＝needn't，是正确结构。C项He doesn't want do…是错误结构，要说成He doesn't want to do…才对。D项He doesn't want to do…是正确的结构。