问题描述:
Where has he been.他去哪里了(回来了) Where has he gone.他去哪里了(没回来呢)
那么Where did he go?是回来了还是没回来?
那么Where did he go?是回来了还是没回来?
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答