He said that he ___ to the United States.( )
·had never gone
·had never been
·has never been
·was never
出自:华北水利水电大学英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块