This is an illness that can result in total blindness if . A. leaving untreated B. left——青夏教育精英家教网—

摘要： This is an illness that can result in total blindness if . A. leaving untreated B. left untreated C. leaving to be untreated D. left untreating

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This is an illness that can result in total blindness if_______.

A. to leave untreating B. left untreated C. leaving untreating D. is left untreated

This is an illness that can result in total blindness if_______.

A. to leave untreating B. left untreated C. leaving untreating D. is left untreated

This is an illness that can result in total blindness if_______.

A. to leave untreating B. left untreated C. leaving untreating D. is left untreated

This is an illness that can result in total blindness if ________ untreated in time.

A. being left B. left C. to be left D. leaving

This is an illness that can result in total blindness if ________．

leaving untreated

left untreated

leaving untreating

left untreating

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