见义勇为的意义:They h____computers can help them improve their studies in school

They h____computers can help them improve their studies in school they hoped to find buried treasure.they hoped they ( )it They wanted to learn _____ they could They each --- two coats Because they usually... they exchanged hot words. they left behind是什么意思 they 是第几人称？ They have gone forever. They are from China