单项选择题
A.send B.sends C.was sent D.were sent
If there are （） in the repair work, please come to our ...
单项选择题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
If the surveyors （）yesterday, they would have finished ...
单项选择题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
Our company has built a new ship in Hamburg and I am go...
单项选择题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
