[填空题]something  ( ) something else, it has that thing inside it or as part of it.

A
contains
正确答案:A
题目解析
从“it has that thing inside it or as part of it”可以看出空格处应填入表示“包含”意义的词,且一般现在时,主语为第三人称单数,故为“contains”。
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