Who should be notified prior to starting up a crane ________.
A.The pumpman
B.The stevedore foreman
C.The engine room
D.All the above
第1题
Who should be responsible for the fault?
______should be responsible for the fault.
第5题
第6题
It is quite difficult for me (decide) ______ who should be given the job.
第7题
第8题
Who should sign up?
A.Only students who have time for the work.
B.All the students who are at the meeting.
C.Only students who have a telephone.
第10题
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