單項(xiàng)選擇題If there are （） in the repair work, please come to our duty engineer at once.
A.any problem
B.some problem
C.any problems
D.some problems
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1.單項(xiàng)選擇題If the surveyors （）yesterday, they would have finished the survey work.
A.did not interrupt
B.were not interrupted
C.had not interrupted
D.had not been interrupted
2.單項(xiàng)選擇題Our company has built a new ship in Hamburg and I am going to fly there to （）.
A.hand it over
B.take it over
C.carry it over
D.carry it out
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