The head nurse has many obligations in the hospital.What is the meaning of the word obligations?

My mother and I cross at the overpass.The underlined compound word is synonymous to ____________.

The keywords must be in uppercase because it is easier to emphasize if they are written in capital letters. What words in the sentence hint the meaning of the word uppercase?

Manny Pacquiao experienced being knocked-out in his fights. ___________ has opposite meaning with the word knocked-out.

.The elephant is another mammal with prodigious strength          Prodigious means_________.