A-A+ By the time you arrive I ______ working for t 2022-08-06 07:24:58 问答库 阅读 177 次 问题详情 By the time you arrive, I ______ working for two hoursA. will be B. can C. will have been D. have been 参考答案 正确答案：C 9．此题考查的是时态，将来完成进行时。一直做到将来的这段时间，而且该动作可能还要继续。选项C是正确的。
