----- Nội dung dịch tự động từ ảnh ----- 1. teenagers in the USA / surprising results / had some / a recent survey of. →A recent survey of. 2. on Sunday morning / of the club / the regular activity / is a 5 km walk to the beach. -The regular activity. 3. and secondary students about / to teach primary / the aim of the program is / water safety. -The aim of the program is 4. table tennis /I don't / with me / have my. →I don't 5. water / the world's / most of / surface is. -Most of 6. more about the undersea / to this invention / world thanks / we can learn. →We can learn. 7. underwater life / he could / of the world and study / explore the oceans. →He could... 8. for long / until recently /not stay underwater / man could. →Until recently, 9. to play table tennis / to come to my house /like / would you ? -Would you.. 10. have to finish / I also / for Math tomorrow / this question -I also..