He _______ around the clock since June, when the first Ebola case appeared in this agricultural county.
| A．had been working | B．has been working |
| C．is working | D．was working |
Although she is only 17 years old, she _________ drugs for two years.
| A．Addicts | B．has addicted to | C．has addicted | D．has been addicted to |
Walmart，which is one of the largest American supermarket chains，________ some of its stores open 24 hours on Mondays through Saturdays.(2012·安徽)
| A．keeps | B．keep | C．have kept | D．had kept |
If the weather had been better, we could have had a picnic. But it ____ all day.
| A．rains | B．rained | C．has rained | D．is raining |
Our skin, if ______ to sunlight for a long time, can become darker.
| A．exposes | B．exposing |
| C．being exposed | D．exposed |
I didn’t know your telephone number; otherwise, I ______ you long ago.
| A．had rung | B．have rung | C．would have rung | D．would ring |
All the preparations for the task ________，and we're ready to start.
| A．completed | B．complete |
| C．had been completed | D．have been completed |
The small boat was almost sunk by the dinosaurs which suddenly ________ to the surface，fighting each other，but fortunately the three men ________ get away.
| A．rose；could |
| B．rose；were able to |
| C．arose；could have been able to |
| D．raised；could have |
--- Do you remember when I first met you?
---- Of course. I ___________ at Oxford University.
| A．studied | B．had studied |
| C．have studied | D．was studying |
–He ____ the Most Popular Teacher in his hometown，right？
-Yes．ten years before he came to this school．
| A．is awarded |
| B．has awarded |
| C．was awarded |
| D．Awarded |
All the money ______, the young man had no choice but to start hunting for a job.
| A．has been spent | B．had been spent | C．having spent | D．having been spent |
–Hi Tracy, you look tired.
–I am tired, I ______ the living room all day, and tomorrow I’ll continue painting it,
| A．painted | B．have been painting |
| C．had painted | D．have painted |
When making small talk at holiday parties, don’t tell someone who ______ weight how amazing they look. That implies they looked terrible before.
| A．has lost | B．would lose |
| C．will be losing | D．had lost |
In 1939，Hitler________ war against Poland，which started the Second World War.
| A．announced | B．broadcast |
| C．declared | D．advertised |
粤公网安备 44130202000953号
