C. estoy; estamos because estoy is "I am" and estamos is "we are"
Èl hace ejercicios para estar en forma.
Answer:
You (sweat) less, but it's too hot. A couch potato (power) watch TV for hours and hours. Do you (tell) you the truth? How much did they gain? We (run) four miles, but we are very tired. I'm going to the gym with you. Do you (do) aerobic exercises?
