How did it come that you damaged your car so badly? —I ____into a tree on the roadside the other day

Mr. Brown’s condition looks very serious and it is doubtful if he will ________.

I think that the desk in the shop differs _____ the one I have at home _____ colour and size.[ ]

We _______pay to get into the concert. It’s free.

It’s a big task.I don’t think he __________ can finish it before 5 pm.