Question: To make sure your dog gets enough exercise
Options:
Try to take your dog on 2 30 minute walks per day.  If you get tired before your dog does, consider teaching him to fetch a ball or play frisbee.
Try to take your dog on 2 30 minute walks per day.  If your dog gets tired before you do, consider teaching him to fetch a ball or play frisbee.
Answer: Try to take your dog on 2 30 minute walks per day.  If you get tired before your dog does, consider teaching him to fetch a ball or play frisbee.