L644 Exercise 1
How Email Works
Email Exchange

How many emails do you send a day? Do you know how an email gets to its destination? In this exercise you’ll find out about this technical process. As you move through the exercise, you’ll see pairs of sentences. Decide which sentence in the pair is correct. Hint: The verb in each sentence has been bolded.

Click on the button next to the letter of the sentence (A or B) that shows correct subject-verb agreement.