Did you write my sentence word for word? Try to omit "the" before "work", or to leave out "by car". Though, if you use a site machine to check the rightness, it may be another form of the question required. For instance, "How long have you been going to those places?" (And an addressee replies that he spent 20 minutes to get to work by car, then he may have spent 10 minutes to get to a shop, 15 mi
Onh, I'm sorry, but this site is unreliable. How long does it take you to get to work? (with or without the car) is absolutely correct. It might not be the answer this site was looking for, but it's right. Since I only got 18 of the 25 correct, I really do question the validity of the "right" answers they were looking for.