问题
选择题
A cool rain was falling, _____________ with snow, causing heavy traffic.
A.mixing
B.mixed
C.to mix
D.having mixed
答案
答案:B
考查过去分词做伴随状语,be mixed with和…混合,rain和mix是被动关系,用过去分词做伴随状语,句意是:冷雨伴着雪纷纷地下导致交通堵塞。