单项选择题

This cage is too small, and the animals have nothing to do all day but ______ inside round and round.

[A] to run
[B] running
[C] runs
[D] run

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单项选择题

All personnel of the company are ______for the retirement plan.

[A] illegible
[B] audible
[C] edible
[D] eligible

单项选择题

You'd better continue to use the same spelling of your name as ______ you used in your application.

[A] one
[B] the one
[C] any
[D] some one

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