高中英语单选求热心人---I haven’t seen Tom for several days. Where is he? ---He _____ Xinjiang. A. was on visit to B. is on a visit to C. was paying a visit to D. is paying a visit on 【求详细解析,各项具体分

高中英语单选求热心人---I haven’t seen Tom for several days. Where is he? ---He _____ Xinjiang. A. was on visit to B. is on a visit to C. was paying a visit to D. is paying a visit on 【求详细解析,各项具体分
高中英语单选求热心人
---I haven’t seen Tom for several days. Where is he?
---He _____ Xinjiang.
A. was on visit to B. is on a visit to
C. was paying a visit to D. is paying a visit on
【求详细解析,各项具体分析谢谢感激不胜】】

高中英语单选求热心人---I haven’t seen Tom for several days. Where is he? ---He _____ Xinjiang. A. was on visit to B. is on a visit to C. was paying a visit to D. is paying a visit on 【求详细解析,各项具体分
这道题目的意思是：
---我好多天没看到TOM了,他现在人在哪?
---他在新疆访问（出差）
从上半句的提问where is he?就可以知道这是一个现在进行时的问句,因此直接排除了A和C
然后看B和D,D中的介词用错了,
Pay a visit on sb/to sb.Pay a visit to someplace
如果D中用的是介词to 那么就对了
因此只有选B,be on a visit to someplace 也是一种句型.

B 应用现在时