问题
选择题
Tom has been absent for two days．Do you know what _________ to him?
A．has happened
B．would happen
C．was happened
D．had happened
答案
答案：A
考查时态，句意：汤姆已经缺勤两天了。你知道他发生了什么事吗？可知从句描述的是现在已完成的动作，故用现在完成时态，选A。
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