A great many cancers can be cured but only if______ before they have begun spread or "colonize" in other parts of the body.

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问题 A great many cancers can be cured but only if______ before they have begun spread or "colonize" in other parts of the body.

选项 A、properly treat
B、properly treating
C、being properly treated
D、properly treated

答案D

解析 很多癌症是可以治愈的,只要在癌细胞扩散到身体其他地方之前被正确的治疗。Only if引导的条件从句,从句的主语与主句相同被省略,意思表示被动,也省略了be动词,形成独立结构。而C项表示正在发生的事情。
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本试题收录于: 英语题库普高专升本分类
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