hand their paper in.hold up your head.为什么their paper 放hand i

hand their paper in.hold up your head.为什么their paper 放hand i make up hand in your paper silk please c ____ your paper before you hand it in You should c____your answers before you hand in your paper. YOU will have to hand in your paper 的paper为何用原形 hand his paper Hand in your paper,if you____your answer.填finish还是have finis ( )your paper carefully before you hand it in.填空 Do not( )so You should go over your test paper（ ） you hand it in.Abefore 英语翻译Put your hand in the box.Pick a slip of paper.Read the w You had better ___(hand)in your exam paper as soon as you fi he said to me:"you had better hand in your paper at once."怎样