2. 外语
  3. We couldn’t cut the string because the ______ of the knife was not sharp enough.

We couldn’t cut the string because the ______ of the knife was not sharp enough.

admin2017-04-12  91
问题 We couldn’t cut the string because the ______ of the knife was not sharp enough.
选项 A、blade
B、edge
C、side
D、front
答案B
解析 edge n．刀口，刃；边缘，棱。blade n．刀片，刀刃。
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