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This is an illness that can result in totle blindness if( )
A. to leave untreatingB. left untreated C.leaving untreating D. is left untreated
人气:123 ℃ 时间:2020-05-28 18:10:27
解答
B
如果不被治疗,这种疾病将会导致完全失明.
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