Question

【题目】By the time he gets to the airport, I think we ____ for London.

A. have leftB. will leave

C. will have leftD. had left

Answer 1

【答案】C

【解析】

考查将来完成时态。句意：他到机场时，我想我们已经动身去伦敦了。此处是By the time“到------时候为止”引导的时间状语从句，从句是一般现在时态，结合句意可知主句用将来完成时态，故选C。