This is an illness that can result in total blindness _____ left untreated.

A. after
B. if
C. since
D. unless
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科目:高中英語 來源: 題型:

This is an illness that can result in total blindness ____ left untreated.

    A. after          B. if            C. since         D. unless

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科目:高中英語 來源:0107 模擬題 題型:單選題

This is an illness that can result in total blindness _____ left untreated.
[     ]
A. after
B. if
C. since
D. unless

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科目:高中英語 來源: 題型:

This is an illness that can result in total blindness ____left untreated.

  A after  B if  C since  D unless

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科目:高中英語 來源: 題型:

This is an illness that can result in total blindness ____left untreated.

  A after  B if  C since  D unless

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科目:高中英語 來源: 題型:

This is an illness that can result in total blindness ____ left untreated.

A. after       B. if         C. since     D. unless

 

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科目:高中英語 來源: 題型:

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

A. after          B. if           C. since        D. unless

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科目:高中英語 來源: 題型:014

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

A. after         B. if            C. since         D. unless

 

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科目:高中英語 來源: 題型:014

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

A. after         B. if            C. since         D. unless

 

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科目:高中英語 來源:英語教研室 題型:014

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

A. after         B. if            C. since         D. unless

 

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科目:高中英語 來源:英語教研室 題型:014

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

A. after         B. if            C. since         D. unless

 

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