The receipt in the cash register was jammed, causing the machine to (a)   .

The (a)   customer complained about everything at the restaurant and was angry at everyone.

If there is (a)   in the classroom, students will be unable to learn.

You can die from (a)   , a disease that causes severe diarrhea and a loss of blood.

If teachers (a)   students, they might not want to try and could be embarrassed.

The orignial piece of artwork came with a (a)   certificate of authenticity.

A major (a)   of studying your words and definitions is that you will remember them for your test.

Actions done with (a)   have no good intention.

Most of the tumors are (a)   and do not need treatment.