While many think "Go!" is the shortest, it is technically an elliptical sentence (the "you" is implied).

10 Interesting Facts About the English Language that You Didn't Know

To make your post more "interesting," you can include these surprising English language tidbits that often come up in grammar practice:

The series grows with the student, starting from the Starter level (basic alphabet and "to be") all the way to Level 6 (advanced clauses and reported speech).

Unlike dry textbooks, Round Up uses colorful boxes, illustrations, and actual team games to teach everything from the alphabet to complex tenses.