She omitted （） me that she was already married.

When a creditor extends credit to a debtor and takes a security interest in some personal property of the debtor，it is called a（）.

A.super-priority lien
B.collateral claim
C.collateral disposition
D.secured transaction

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Are there still tickets（）on the morning flight to Shenzhen？

A.free
B.suitable
C.available
D.ready

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