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390. Which TWO of the following correctly describe how to change lanes?
- Change lanes while maintaining speed if the car behind you in the lane you are about to enter is far back enough.
- Slow down when you change lanes if the car behind you in the lane you are about to enter is far back enough.
- Let the car behind you in the lane you are about to enter pass if it is approaching.
- Change your lane quickly if the car behind you in the lane you are about to enter is approaching.
Answer : 1, 3