Circus tigers, although they have been tamed, can _____ attack their trainer.
| A．unexpectedly | B．deliberately | C．reluctantly | D．subsequently |
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 |
—Excuse me, Miss Jones. Do you know where the sales report is?
—Isn’t it on your desk? I ______ it back in the file after I read it.
| A．put | B．have put |
| C．had put | D．will put |
—Can you tell me how many people will go to the exhibition?
—Of cours e. About 3,000 students from 15 schools ______, and I think two-thirds will come.
| A．invite | B．will invite |
| C．have been invited | D．had been invited |