题目内容
---- I ___________ Tom for three days. Is he ill?
---- I’m afraid so. The doctor said he needed ______________.
| A．haven’t seen; to be operated | B．haven’t seen; to be operated on |
| C．didn’t see; operating | D．haven’t see; operating |
B
解析试题分析：句意：我已经三天不见汤姆了。他病了吗？——恐怕如此。医生说他需要一个手术。结合语境可知上文描述的是现在已经完成的动作，故用现在完成时态。下文主语是动作对象，故用被动语态。Operate不能直接接宾语，需加介词on，故选B。
考点：考查时态及动词。
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