The animals {in the cage} isn't happy 对 in the cage 提问是用which animals 还是animal用what animals 对吗
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The animals {in the cage} isn't happy 本身就有语法问题，应该是The animals {in the cage} aren't happy.提问是用which animals 。what animals 什么样的动物,常用于What animals do you like best?这类句子中。
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which animals.用what animals不对。
热心网友
这一句中的animals指的是一类。原文都是用的是animals,所以提问也用animals要好一点提问用Which animals