1. Three years as her boyfriend __________ a waste of time.
A. were
B. was
2. Beside the cold lake __________ the hermits.
A. sit
B. sits
3. Curiosity and hope for the future __________ scientists to keep experimenting.
A. drives
B. drive
4. Neither of the two sides __________ when there is no compromise.
A. wins
B. win
5. A family of whales __________ called a pod.
A. are
B. is