单项选择题
（）any sick person on board now apart from the above-mentioned cases?
A.Have
B.Has
C.Is there
D.Are there
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单项选择题
（）any person died on board during the voyage otherwise than as a result of accident?
A.Have
B.Has
C.Has there been
D.Are there -
单项选择题
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
A.If
B.Shall
C.Should
D.Whether -
单项选择题
PLS BE INFORMED THAT SUB VSL’S TWO KINDS OF CERTIFICATES HAVE EXPIRED. ONE IS DERATING CERTIFICATE AND THE OTHER IS SAFETY EQUIPMENT CERITFICATE. According to this telex,（）.
A.two certificates have expired
B.two certificates will expire
C.one of the two certificates have expired
D.one of the two certificates will expire
