(2010·湖南湘潭市外国语学校届高三第二次月考) 30. The snow has come down so heavily at times; it res
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(2010·湖南湘潭市外国语学校届高三第二次月考) 30. The snow has come down so heavily at times; it _____ rescuers from searching for missing people.
A. is delaying B. has delayed
C. had delayed D. will delay
试题答案
B