The box is too heavy to carry. What’s in it —Oh, I _________ it ________books.

The crowd cheered wildly at the sight of Liu Xiang, who was reported the world record in the 110-metre hurdle race.[ ]

Please ____ the lions. It’s dangerous to take photoswith them.

Can the project be finished as planned?—Sure, ________ it completed in time, we’ll work two more hours a day.[ ]

Though Professor Liu ____ in New York for seven years, he has never regretted moving back to Shanghai, his hometown