This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to do forward tumbling for beginner gymnastics
Do a forward roll.
The first forward tumbling skill that a gymnast learns is a forward roll. To do a forward roll, you need to put your hands on the floor right in front of your toes, and tuck your head in keeping your chin on your chest and roll forward.

Available choices: [+] You should put your hands down at the start and not to stand up and try to keep your knee's and feet together. To first learn a forward roll, you want to do it down an incline to make it easier.. [+] At the same time, roll to your left, toward the floor as if you were trying to lift your knees up. As you roll, you should push your chest towards the ceiling, helping to form a " t " shape as you move, while staying balanced with both legs.. [+] On your free back, lift a leg and roll, keeping your hips flat on the floor, up into a backflip. Repeat three times to start your forward roll.. [+] To execute the forward roll, your chest should be on the ground with your back toward the floor. Your feet should be flat, and your knees should be bent at a 90-degree angle to the floor..
The answer is:
You should put your hands down at the start and not to stand up and try to keep your knee's and feet together. To first learn a forward roll, you want to do it down an incline to make it easier.