The murderer stood before the policeman, his hands ________ on his back, trembling.
| A．tie | B．tied | C．tying | D．to tie |
—I am afraid I can’t return the book to you before Friday.
—________.
| A．Don’t be afraid | B．Be careful |
| C．Not at all | D．Take your time |
—Does he often ask you for help?
—Oh，no，only________.
| A．all the time | B．at one time |
| C．at a time | D．at times |
________， I lost heart in English learning，but my teacher often said to me，“Keep on studying hard，and you’ll succeed________.”
| A．At a time；in time |
| B．At a time；on time |
| C．At one time；in time |
| D．At one time；on time |
Will you be home________to see the children before they go to bed?
| A．on time | B．in time |
| C．at a time | D．at one time |
She lost heart since she failed in the exam.She felt________about her future.
| A．puzzle | B．puzzling |
| C．puzzled | D．puzzles |