單項選擇題The Loran needs().

A.repairing
B.to repair
C.repairs
D.have repaired


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1.單項選擇題The equipment is very old.It’s not worth().

A.repairing
B.to repair
C.repair
D.to be repaired

2.單項選擇題The deck control valve to be()after being repaired.

A.moved and fitted again
B.removed and refitted
C.reproduced and put on again
D.returned and attached again

3.單項選擇題The damaged derrick()now.

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

4.單項選擇題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

5.單項選擇題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