—Could I borrow your camera tomorrow?
—I don’t think you need it, because visitors ______ to take photos there.
| A．aren’t allowed | B．don’t allow |
| C．haven’t allowed | D．hadn’t been allowed |
The report said that the increase in oil prices hasmany changes in our lives.
| A．came across | B．answered for | C．given out | D．brought about |
— I telephoned him twice and I couldn’t get through to him.
—The line might have been out of order, _______?
| A．don’t you | B．wasn’t it | C．do you | D．hadn’t it |
Miss Li _______ as a secretary for five years in the company, and now she is general manager of it.
| A．has served | B．had served | C．served | D．serves |
I heard the clock eight when I woke up.
| A．beating | B．striking | C．hitting | D．knocking |
We'll have to work the clock if we want to complete the work on time.
| A．beyond | B．over | C．against | D．from |