*Así* is the correct way to write this word. *Hací* Is a barbarism and, therefore, it is convenient to avoid it.
Nadar it means to swim and so he likes to go to the beach to swim
<em>The way I'll answer this question is by writing down the words for each sentence.</em>
monte
tomamos
mandaron
acampaste
<em>second part</em>
visitaron
tomaron
compro
regatio
mandaron
<em>hope this helps!</em>
The correct answer would be:
Yo QUIERO ir al cine con mis amigos esta noche.