单项选择题

______ one has a child will one realize how great one's parents are.

[A] Until
[B] Not until
[C] It is not until
[D] Until not

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单项选择题

The cradle of oversea traffic and of the art of naval combats, the Mediterranean, the common of all mankind, makes a tender appeal to a seaman.

[A] estate
[B] heritage
[C] property
[D] possession

单项选择题

In a moment the little bird, set free after being encaged for weeks, ______ would rise swiftly.

[A] out of view
[B] out of seeing
[C] out of hand
[D] out of sight

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