This dictionary is at least three times as thick as        you borrowed from the library.

We have been looking at houses, but haven’t found ________ we like yet.

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

There are only         students in the classroom. Where are the others?

—How much vinegar did you put in the soup?  —I’m sorry to say, ____. I forget.