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题型：单选题题类：常考题难易度：普通

数词—— 表示“几十”的复数形式

That was in the early ________.

A、fifty B、fiftys C、fifties D、fifth

举一反三

girls took part in the Super Girl competition, but only few of them succeeded.

There are workers in the factory. My brother is in it, too.

We should protect the forest because _______ animals live in it.

There are ____ books in the library.

There are {#blank#}1{#/blank#} (thousand) of people in the village now.

This cinema can offer seats to audience.

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