Lesikar's Business Communication: Connecting in a Digital World 13th Edition by Kathryn Rentz,Paula Lentz

Exercise 15

The following test is designed to give you a quick measure of your ability to handle some of the most troublesome punctuation and grammar situations. First, correct all the errors in each sentence. Then turn to Appendix A for the recommended corrections and the symbols for the punctuation and grammar standards involved. Next, review the relevant standards.
The manager could not tolerate any employee's failure to do their best.