Poetry adapted from children's songs

Curved moon, boat, boat, double-headed tip, I only saw it when I was sitting in the boat, flash 2, exodus (retreat)

Desert war. This level can only use M4, riding a teammate's motorcycle, and covering his teammates to cross the enemy blockade. When you arrive, your teammates will cover your rear. All you have to do is destroy the soldiers in the enemy base with other teammates, search for hostages, and finally find that the information is wrong. The hostage is not here, you can retreat at the helicopter receiving point. As long as this level is steady and steady, there is nothing difficult, and the difficulty is 2 stars.

The motorcyclist of the motorcade sent me to the battle site. I killed all the enemies in front of me. Why do you still show the guide arrow and tell me to go to the motorcycle? I walked to the motorcycle and got on the bus. He didn't drive. I hit it again, killed all the enemies, and saw the helicopter retreat at the meeting point. But the arrow still told me to go to the motorcycle. What happened?

Three tasks together, one task shows that I didn't finish it! Please know the answer! Don't send network raiders! Thank you for the twinkling stars and blue sky.