He had planned to make a promise, but he changed his mind at the last minute.
A. therefore
B. somehow
C. anyhow
D. otherwise
网友回答
A. therefore
(答案→)B. somehow
C. anyhow
D. otherwise
解析:考查副词辨析:A. therefore因此B. somehow不知怎么C. anyhow不管怎样D. otherwise否则,句意:他本计划做出让步,但是不知怎么在最后一刻,他改变了主意。选B。