Canning (is) the (most wide) used (method) of food (preservation).

admin2008-11-13  30

问题 Canning (is) the (most wide) used (method) of food (preservation).

选项 A、is
B、most wide
C、method
D、preservation

答案B

解析 改为most widely,副词修饰过去分词used
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