单项选择题
A.repairing B.to repair C.repairs D.have repaired
The equipment is very old．It’s not worth（）.A.repairingB...
单项选择题The equipment is very old．It’s not worth（）.
A.repairing B.to repair C.repair D.to be repaired
The deck control valve to be（）after being repaired.A.mo...
单项选择题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
The damaged derrick（）now.A.has repairedB.is being repai...
单项选择题The damaged derrick（）now.
A.has repaired B.is being repaired C.is repaired D.will be repaired
