Which indirect object pronoun correctly completes this sentence?

ayer fui a nuestra primera clase del año y el profesor habló de las reglas de la universidad
a. les
b. le
c. nos
d. me

How do you say the following in spanish? 1. what are you going to do in school? 2. what will you do next year? 3. how hot is it going to get in town next month? 4. what college are you going to? 5. when will it get colder? 6. do you plan on getting married?

The imperfect verb that matches the given pronoun. he / she / you

Yo (entrar) en la nave a las dos de la trade