The machine he originated and perfected has no modern _____ or ancient prototype.

They could hardly believe what he said, _________.

( )They could hardly believe what he said, _________.

If the Shipowner relies on an excepted peril，he must（）that the loss or damage was caused thereby.

Peter could hardly catch what I said, _____ he?

The professor said he could talk on （）interested the audience．

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

If you do not know the subject, you will not understand what is said or written, even if English is your mother （） what is said or written.