You were silly not ______ your car.
| A．to lock | B．to have locked | C．locking | D．having locked |
31．—So you know Della?
—Yes, it was last week__________I surfed the Internet.
| A．that | B．when | C．why | D．Whom |
30．Danis is______hunting for a new job and has no eye for his wife and children.
| A．occupied in | B．busy for | C．absorbed to | D．engaged to |
29．In 1778, Banks was elected_____president of_______Royal Society,___________position he held for 42 years.
| A．/, /, a | B．/, the, a | C．the, /, a | D．the, the, the |
28．______of being involved in the attempted murder, she was questioned by the police.
| A．Convinced | B．Suspected | C．Charged | D．Confirmed |
27．As Senior 3 students, it is important to________a good state of mind.
| A．keep up | B．stick with | C．attend to | D．tie up |