John received an invitation to dinner, and with work        he gladly accepted it.

I watched everyone hurrying to and fro, most with eyes ____ the ground.

—Sorry, Madam. Any problem? — Yes. The fish is served undercooked and with nothing                 .

With everything she needed ________， she went out of the shop, with her hands full of shopping bags.

With so many people ______ around her, the girl felt very nervous and grasped her mother’s hand tightly.