單項(xiàng)選擇題

The damaged derrick（）now.

A.has repaired
B.is being repaired
C.is repaired
D.will be repaired

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單項(xiàng)選擇題

The damaged cargo is not allowed to export without（）.

A.repairing or replacing
B.to repair or to replace
C.being repaired or replaced
D.to be repaired or replaced

單項(xiàng)選擇題

The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?（）

A.Application for Inspection
B.Change of Employment
C.Permit to Proceed
D.Temporary Certificate of Inspection