A:Why don't you learn to drive ______ yourself?B:I often can

A:Why don't you learn to drive ______ yourself?B:I often can't understand the ______ on the street
A:Why don't you learn to drive ______ yourself?
B:I often can't understand the ______ on the street.For example,what do these double lines ____?
A:They must mean you are not _____ to cross the street.
B:No,I don't think so.Look at the car.What's it ______?
A.Oh,it's really confusing.