Further treatment will help to prevent him from(develop)______cancer.

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问题 Further treatment will help to prevent him from(develop)______cancer.

选项

答案developing

解析 本题考查动词用法。动词prevent常用于prevent sb./sth.from doing sth.结构,意为“阻止某人/某物做某事”,本句符合这一结构的要求,因此空格处填入developing。
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