单项选择题
An engineer, together with some motormen ()to help in the repair work.
A.send
B.sends
C.was sent
D.were sent
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If there are () in the repair work, please come to our duty engineer at once.
A.any problem
B.some problem
C.any problems
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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 -
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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
