A vast area north of the Yangtze River ______by the first heavy SNOW of the new year,causing difficulties to the post-festival road transport.
A.were affected | B.was affected | C.had affected | D.has affected |
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A vast area north of the Yangtze River ______by the first heavy SNOW of the new year,causing difficulties to the post-festival road transport.
A.were affected | B.was affected | C.had affected | D.has affected |