After15yearsintheUSA,hehasfi

发布时间：2020-07-27 20:17:41

After 15 years in the USA, he has finally decided to ___________ American citizenship.A.concentrate onB.apply forC.look out forD.appeal for

网友回答

B解析由句意知“他决定申请美国国籍。”故选短语apply for；concentrate on“专心于，把注意力集中于”；look out for“当心，注意”；appeal for“呼吁，求助”。
以上问题属网友观点，不代表本站立场，仅供参考！