摘要：30．-Peter looked tired and a little absent-minded at the meeting． -He up too late． A．may stay B．could stay C．should have stayed D．must have stayed
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30．—Peter looked tired and a little absent-minded at the meeting．
—He _____ up too late．
A．may stay B．could stay
C．should have stayed D．must have stayed
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30．—Peter looked tired and a little absent-minded at the meeting．
—He _____ up too late．
| A．may stay | B．could stay |
| C．should have stayed | D．must have stayed |