In romeo and juliet prologue, why is the relationship strained between the “star-crossed lovers”?

It's been a while since I read Romeo and Juliet, but I'm fairly certain that their relationship was strained because they were desperately trying to keep it a secret. The whole idea of Romeo and Juliet is that they are each members of a family that is feuding with the other, and so they must keep their relationship a secret.

Explanation:

a. "to practice" is the best phrase to complete the sentence.

explanation:

during the summer, she likes to practice her soccer skills so that she is ready to play in the fall.

(note that : all the other options "the practicing of", "practice for" and "to do a practice on" are inappropriate as they make the sentence grammatically incorrect.)

answer: i think it is d

explanation: because i remember learning about this