The murderer was brought in, with his hands _______ behind him.

It only ____ me half an hou to school every day last term.

David, I haven’t seen your father for a long time.—He Beijing on business for a few days.

__ is know to us all isthat the old worker, for _______ life was hard in the past, still works hard inhis seventiesA

Though we take a great risk of investing in theproject, yet it will ______ in the long run.