问题
选择题
. After so many days on the way, even Charles cheered up at the _____ of the food.
A．look
B．sight
C．sign
D．appearance
答案
答案：B
考查短语：at the sight of 看到，看见，句意：在路上许多天之后，甚至查理一看到食物欢呼起来。所以选B。
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