问题

I in Microsoft Company for many years, but I have never regretted my final decisin to switch to

A:had worked
B: have worked
C: have been working
D: worked

正确答案是：

同类题型

Yesterday I tookmy car to the garage to have them ________ the air-conditioner.

She is so kind and generous _____________.

On weekend， I usually go to bed late and get up at 10 ________ the morning.

Lin Fang comes home____than before this term. She doesn’t have so many classes inthe afternoon..

I think we’re old enough with housework.