问题
选择题
When they awoke the next morning, they were surprised to find a ___ of fog floating in the air. [ ]
A. cover
B. blanket
C. piece
D. mixture
答案
答案：B
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When they awoke the next morning, they were surprised to find a ___ of fog floating in the air. [ ]
A. cover
B. blanket
C. piece
D. mixture
答案：B
