、Not until I handed in the paper did I find        easier to solve the problem that way.

---I’m going to do        for your party. ---Sounds great!.

I think I had at least a billion tests, including _____ in which they cut out a piece of muscle from my leg and looked at it under a microscope.

Of the equipment we have produced, this sells best, for it has the advantage over ________ of working efficiently.     

 Don’t you consider _____ funny to wear jewels borrowed from others to a party?