单选题
What's wrong with Tony? ______ very stressed and nervous lately.
A、
He's being
B、
He'll have been
C、
He must have been
D、
He's been
【正确答案】
D
【答案解析】
lately 表示近来、最近。说明动作从过去一直持续到现在。所以应当用现在完成时。题意为“托尼怎么了?他最近一直紧张不安”。选项A和B的时态不符合题意,A是现在进行时,B是将来进行时。选项C中的must不合题意。
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