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單項選擇題

Now that the valve is not worth （）, I suggest it （）.

A.to repair；to renew
B.repairing；be renewed
C.repairing；will be renewed
D.to repair；to be renewed

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單項選擇題

（） to damage the protective coating on the inner side of the shell.

A.Care to be not taken
B.Care not to be taken
C.Care to be taken not
D.Not care to be taken

單項選擇題

The following engine parts are found damaged and we are about to （） compensation from the shipyard.

A.claim to
B.claiming to
C.claim for
D.claiming for