题目内容：
It may be __________ to obtain soap that is not antibacterial, given its __________ as a household cleansing product, but according to a new study, such products may be a waste of time.
参考答案：
答案解析：
单选题：It may be __________ to obtain soap that is not antibacteria
- 题目分类：GRE
- 题目类型：单选题
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