daagh wrote:
(A) Polio, although it is eradicated in the United States,it continues elsewhere and is able to be----- It continues – it is redundant
(B) Polio, although eradicated in the United States,it still continues elsewhere and can be …..it still ---- it is redundant
(C) Although still continuing elsewhere, polio has been eradicated in the United States and could be… Apparently very tempting, but still faulty. When we say that polio has been eradicated in the United States and could be brought back, we are indeed connecting two contrasts with a same direction conjunction, but could be brought back would be more appropriate
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