I have _________much time and thought on the problem, but I am n

2024-08-16 06:27:59
笔试(00004)

I have _________much time and thought on the problem, but I am no nearer to finding a solution.
A、exposed
B、expended
C、exhausted
D、exerted
【正确答案】：B
【题目解析】：expend much time花费太多的时间

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