Vocabulary practice #1

I saw lots of reviews about this book, so it should be the more rewarding one. ( or "so it should be a rewarding one")
Working as a teacher can be difficult but in on the whole, it's a rewarding job. (I don't know why "on the whole" and not "in whole" but it is correct, nobody says "in whole". Maybe "when considered in whole" if you want) 

The forecast says it there will be a storm, so it that messes up all my plans. (or "the forecast says it will storm, so that messes up all my plans" 

She looked pale and then she suddenly fainted. (perfect)

Good job