His heart racing, and tears ____ his eyes, Jack carefully unlocked the box.

aven’t seenJohnson these days.—— I think she _______a conference in Beijing, but I’m not sure.

I often have hamburgers for mybreakfast.——–You’d better not. It’s bad for you_________ too much junk food.

It’s said that ___ ___ of the water around the world is polluted.

We________finish it ahead of time, though it was such a tough task.