Business English 10th Edition by Mary Ellen Guffey,Carolyn Seefer

تمرين 19

Insert necessary punctuation in the following sentences. In the space at the right, indicate the number of punctuation marks you inserted. Write C if the sentence is correct.
Using a technology called "telesensing" cell phones can be used to take someone's pulse check on sick relatives and warn police about criminals hiding behind walls. _________________