How many levels does the federal court system have, and what are the levels? (Site 1)

Traffic signals at expressway on-ramps use lights.

It's a good idea to keep in your glove box. a. a pair of sunglasses b. a pair of socks c. matches d. thumb tacks

If you can't get enough sleep, you should a. close your eyes when stopped in traffic b. not drive, period c. drink extra coffee before you drive d. leave earlier so you can drive slower