Are practice permit tests online any close to the real ones?

I'm thinking of buying one of the practice permit tests online for Massachusetts. Are the questions any close to the real ones?|||Permit tests are mostly common sense, I didn't even read the book, but read the book and know the rules of the road, signs, different types of intersections, etc... But yes, the online tests do help, they're not too much like the real test, but they are close and do help.|||just read the booklet thats the test|||the permit test is a joke