Choose the sentence that is punctuated properly.

a. Several companies have been forced to lay off employees yet they are retaining their older, more experienced workers.

b. Several companies have been forced to lay off employees, yet they are retaining their older, more experienced workers.

Select a or b to identify the following sentence. Bitcoin's ties to the performance of U.S. stocks seem to be increasing, but few investors seem concerned.

a. The sentence is not compound; therefore, no comma is needed.

b. A comma correctly punctuates a compound sentence.

Choose the sentence that is punctuated properly.

a. Eastman Kodak created the first digital camera in 1975 but the company didn't bring it to market for fear of taking away from its film business.

b. Eastman Kodak created the first digital camera in 1975, but the company didn't bring it to market for fear of taking away from its film business.

Choose the sentence that is punctuated properly.

a. Aha. I knew you were the culprit.

b. Aha! I knew you were the culprit!

Choose the sentence that is punctuated properly.

a. If you would like to volunteer for our annual charity event please contact me immediately.

b. If you would like to volunteer for our annual charity event, please contact me immediately.

Business English