It is a foolish act to________ notes during a test as you will be severely punished.
-----Do you have a minute? I’ve got something to tell you. -----Ok, ______ you make it short.
-----Are you happy with your new computer? ----- No, it is _______ me a lot of trouble.
If you really have to leave during the meeting, you’d better leave ____ the back door.
—Did the book give the information you needed?—Yes. But _____ it, I had to read the entire book.