hand in

交上，递交

halting, haltingly, halve, halves, halyard (also halliard), ham, ham-fisted, ham-handed, ham-handed, hamburger, hamlet, hammer, hammer and sickle, hammer out, hammering, hammock, hamper, hamster, hamstring, hand, hand down, hand in hand, hand on, hand out, hand over, hand-baggage, hand-barrow, hand-grenade, hand-gun, hand-held, hand-luggage (US hand-baggage), hand-made, hand-me-downs (also `reach-me-downs), hand-out, hand-over, hand-picked, handbag, handbag (US purse), handball, handbill, handbook,