28．I had wanted to help you last night but I couldn't spare any time．for I_____an essay that is due this morning．
| A．wrote | B．had written | C．was writing | D．have written |
The system has been designed to give students quick and easy __________ to the digital resources of the library.
| A．access | B．passage |
| C．way | D．approach |
If Susan ______ for ten more minutes at the party last night, she might have met Johnny Depp, the famous Hollywood star.
| A．stayed | B．would stay |
| C．had stayed | D．would have stayed |
Passers-by rescued a motorcycle driver ______ under a burning car.
| A．was trapped | B．trapping |
| C．having trapped | D．trapped |
More people are choosing to work ______ retirement age.
| A．at | B．in | C．for | D．beyond |
—Where would you like to sit? In the corner or near the platform?
—______. I would like to sit by the piano so that I can watch the musician play.
| A．Either | B．Neither |
| C．None | D．Both |