Like the food restaurant and things like that I guees
Im not sure if I understand the question... but conocer means to be familiar with (places and people) and saber means to know facts and information.
But for "llena los espacios con las respuestas correctas" means fill in the blanks with the right answers.
Question.2 In Spanish, we use the imperative to give affirmative orders or commands. The verb decir (to say/tell) is irregular, so you'll have to learn its specific forms.
16. It could be, mi hermano y yo estamos lavando los platos ahora.
17. It could be, Tu padre esta leyendo el periodico ahora.