ThestudyofEnglishhehasinsistedon

发布时间：2020-07-11 05:20:44

The study of English he has insisted on ________ himself with the international business has now proved fruitful．













A.to help












B.helping











C.having help











D.will help

网友回答

A解析空格处不是insisted on的宾语而是目的状语，所以要用不定式。
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