Open this interactive book. It's great!
Watch, read, listen and answer carefully.Check your answers at the end of each page.
What's your score at the end of the book?
19-20 EXCELLENT! CONGRATULATIONS!16-18 VERY GOOD!
12-15 GOOD JOB! YOU'RE IMPROVING!
7-11 NOT BAD! TRY AGAIN!
1-6 KEEP WORKING ON IT!
