Did you see who the driver was?— No, so quickly _____ that I couldn’t get a good look at his face.

What do you think should _____ the shopping list?

What’s your plan for the coming weekend— ___________.

I was supposed to _______ all my shopping by now, butI still have a great many to buy. A. to have finished B.to finish C. to be finishing D.to have been finished

e another wonderful discovery, _______ of greatimportance to science.