Such a chance, once ________, might never come again.[ ]A．losing B．being lo

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Such a chance, once ________, might never come again.[ ]

A．losing
B．being lost
C．lost
D．to be lost

答案

举一反三

Mr.Green，________of the ________speech, started to read a novel.[     ]
A．tired; boring
B．tiring; bored
C．tired; bored
D．tiring; boring

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The news finally came, which________them all.[     ]
A. disappoints
B. disappointing
C. disappointed
D. disappoint

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________ in every aspect of his company"s business, Paul made himself busy day and night.[ ]
A. Being involved
B. Involved
C. Involving
D. To involve

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The threestorey building, ________in the 18th century, was turned into a museum in 1960.[ ]
A. constructing
B. constructed
C. being constructed
D. when constructed

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The house is leaking. When will you get it ________？[     ]
A. repair
B. repairing
C. repaired
D. to repair

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