A.is due to
B.dues to
C.is because
D.is for
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A.send
B.sends
C.was sent
D.were sent
A.any problem
B.some problem
C.any problems
D.some problems
A.did not interrupt
B.were not interrupted
C.had not interrupted
D.had not been interrupted
A.hand it over
B.take it over
C.carry it over
D.carry it out
A.help
B.good
C.use
D.worth
最新試題
（） is not installed on the main switchboar.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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The condensers located in various stages of a flash evaporator are cooled by（）
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Engine parameters shall be corresponded to NOx Technical Files. This is required by （）