A-A+
May I speak to your manager Mr. Williams at f
问题详情
"May I speak to your manager Mr. Williams at five o" clock tonight？" "I"m sorry. Mr. Williams ______ to a conference long before then."
A．will have gone
B．had gone
C．would have gone
D．has gone请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：根据题意，可见beforethen相当于beforefiveo’clocktonight，表示的是在将来某个时间之前要完成的动作，因此此处谓语动词要使用将来完成时。例如：Therailwaywillhavebeencompletedlongbeforethen．那条铁路将在此之前早就建成了。Thetreewillhavewitheredlongbeforeitfalls．大树久枯始倒下。
