Answer:
opening and cavern
Explanation:
Both have meanings similar to grotto
I think after over all I'm not in high school so srry
The answer is C, Beleaguer.
Siege means blockade. Beleaguer has the closest definition of "cause problems or difficulties for."
hopefully this helps! have a nice day/night and good luck in your class :)
He was afraid that he world be late for school