Answer:1. vamos 2.voy 3. vas 4. is either voy, va, vamos or van because it depends how they mean it like is she going or is she telling someone you know but hope this helps!! :))
The verb ending is the only thing that changes in present tense form, depending on who does the action. In this case, it is talking about "you" or "tu" meaning that it will end in "-es", or "haces". Therefore the answer would be:
<span>Él es un compañero de clase is the right answer. The 1st sentence is ella but </span>compañero should be compañera. In the second one ella should not have an accent mark and in the last one el doesn't match with una.