China has been successful ____

试题详情及答案解析: China has been successful _____ the WTO.
A. to enter B. in enter C. in entering; 答案：C; 试题分析：句意：中国成功的参加了世贸组织。be successful in doing成功的做了某事。结合句意，故选C。
考点：考查非谓语动词的用法。