last month 上个月是一般过去时的标志
所以句子为：
The bad news 【led to】 lots of panic last month.
引起,导致,lead to = cause
“上个月坏消息引起了恐慌”

望能帮到你.We must do something to _____ _____ ______ (帮他摆脱困境)We must do something to 【help him out 】help sb out 帮助某人解决难题，摆脱困境