French help please and thanks

Fill in the blank with the french equivalent of the word in parentheses. n'oubliez pas d' turn off) votre ordinateur. * ouvrir*allumer* eteindre* aller sur un site

Soooo i need to have this packet done by tomorrow at like 9: 45 am

Choose the best translation of the following sentence.i know what is happening.je sais que arrive.je sais ce que arrive.je sais qui arrive.je sais ce qui arrive.