Itiswhentheplanethatyou’dbetterfindoutatthebookingoffice.请问,这个选哪个A.wouldtakeoffB.hadtakenoffC.wastakingoffD.istakingoff

Question

It is when the plane ______ that you’d better find out at the booking office.请问,这个选哪个
A.would take off B.had taken off C.was taking off D.is taking off

Answer 1

D.is taking off
这是个强调句.when the plane ______ 是被强调部分,宾语从句
原句为:
you’d better find out at the booking office when the plane [ is taking off]
你最好在售票处打听一下飞机在什么时候起飞
可见指的是说话以后的事,所以选D
进行式表将来