Jack ______ from home for two days now, and I am beginning to worry about his safety.[2003]
A、
has been missing
B、
has been missed
C、
had been missing
D、
was missed
【正确答案】
A
【答案解析】
解析:根据句意,“失踪”动作发生在过去,并一直延续到现在,故用现在完成进行时,选项A正确。
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