What rules should you follow when your plane is taking off or landing?, When you were a child, could you climb trees?, How long can a tired person sleep? What is your personal record?, People often buy a lot of colourful air balloons to create a party spirit. Do you like it? Is it just a waste of money?, If you wanted to try some extreme sport, would you choose parachuting from a plane, or floating in the air on a paraglider?.

Navigate B1. Unit 3.1. Discussion

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