Which image is Perù, Paraguay, Argentina, Ecuador

Okay so i'm taking an online spanish course (penn foster), and in the study guide, you have to create a bunch of sentences with words you've learned so far. translating, reading, and those kinds of things are fairly easy, but when it comes to making my own sentences, my brain just kinda waltz's away. anyone got any tips?

Which verb form best completes this conversation? eric: ¡qué frío¡ estamos a 8ºc. y mañana la temperatura bajará a 1ºc. pedro: mucho frío. a. será b. estará c. hará d. hizo

Choose the phrase that best completes this sentence. hay muchas nubes en el cielo. el pronóstico dice que llover. a. vas a b. va a c. voy a d. vamos a