问题
选择题
Frank looks very worried today. There must be ________ wrong with him.
A．anything
B．nothing
C．something
D．everything
答案
答案：C
题目分析：句意：弗兰克今天看起来很担忧。肯定有事！根据句子意思，Frank今天看起来很担忧，所以肯定有事！表示“肯定”，故选C。
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