Question

Ever since the financial crisis ________, many workers _______from their jobs.

A．broke out; were laid off

B．has broken out; were laid off

C．had broken out; had been laid off

D．broke out; have been laid off

Answer 1

D

这题考查时态的用法,因为是since引导的时间状语从句，所以第一空填过去时，主句用现在完成时。句意是：自从经济危机爆发，很多工人被解雇了。选D。