Idont understand this spanish plz 4 choices

Choose the correct definition for  un conocido.  a.  a comic strip      b.  an acquaintance      c.  a coincidence      d.  an avalanche 

Fill in the blank with the correct form of preterite or imperfect of the verb in parentheses. nosotros a la playa con ana ayer. (ir) answer for blank 1:

Translate the english subject pronouns to spanish and type them in the spaces below. when the subject is a0 i a1 you-familiar singular a2 he a3 we, feminine a4 you-formal plural a5 you-plural, feminine