Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weath
题型：不详难度：来源：
Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.| A．only if | B．until | C．so that | D．even though |
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答案
| C |
解析
试题分析：句意：弗兰克经常戴口罩所以他可以在雾霾天气里保持健康。So that引导结果状语从句，only if表示“只要”；even though表示“即使”，until表示“直到”，故选C。 |
举一反三
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