问题描述:
The conference——a full week by the time it ends.A.musted have lasted B.will have lasted C.would last D.has lasted 我想问 by the times it ends 不是说到他结束为止吗?不是将要的意思吗.为什么选B呢?我选的是C.
问题解答:
我来补答展开全文阅读