The accident was _________his careless driving.[ ]

How come you still work here? I hear your company has bought a new office building—But the newly-bought building_______

Judging from the scene, personally, it is one or twocar drivers, rather than the truck driver, who _____.

Thanks to your help，we can finish the work on time．

I asked my boss for a month’s holiday and, _________, she agreed.