1. Going down white - water rapids in a canoe must be extremely ___ ! Does your heart start beating really fast?
A. trivial B. mundane C. sedentary D. exhilerating
2. The play wasn't very good, but it wasn't very bad either. ___, I'd say.
A. Medium B. Mediocre C. Metric D. Mellow
3. There is no way that the police will be able to ___ this law.
A. enforce B. administer C. dominate D. reign
4. I get so stressed at work it's hard sometimes to ___ in the evenings.
A. unwind B. undo C. undergo D. untie