The robber told him that he had better keep silent ______ he wanted to get into troubleA.if B. unless C. otherwise
热心网友
应该选B项。原文的意思是：抢劫者对他说，他最好保持沉默，除非他想找麻烦！A的意思是如果，B的意思是除非，C的意思是否则。所以应该选B。祝你成功！：）
热心网友
我觉得是B
热心网友
B.unless = if notif he didn't want to get into trouble.