Which coordinating conjunction works best in the following sentence? The plane was at the gate, passengers waited to board

A. Or

B. Nor

C. For

D. But

In the world state, children are encouraged to engage in erotic play. in our society, they are discouraged. why is the world state society different?

Pls, i really need on this question?

Question 1 translate: i have to eat. question 2 translate: one must study. question 3 to make a good grade, one must pay attention. para sacar una buena nota, prestar atención. question 4 to make money, one must work. para ganar dinero, trabajar. question 5 translate: maria has to talk.