摘要：-I saw Dave in the lift this morning. -Really? He around here for a long time. A. won’t be B. wasn’t seen C. hasn’t been seen D. hadn’t been seen
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－I saw Dave in the lift this morning．
－Really?He ________ around here for a long time．
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A．won't be seen
B．wasn't seen
C．hasn't been seen
D．hadn't been seen