_____ it or not, his discovery has created a stir in scientific circles.
| A．Believe | B．To believe | C．Believing | D．Believed |
It was the first time in _________ that I’d seen the night face to face.
| A．a year and half | B．a year and a half |
| C．a half and a year | D．half and a year |
Anne and her family hid away for nearly twenty-five months ________ they were discovered.
| A．when | B．after | C．before | D．since |
Life is tough in the city. In order to reduce their ______，some people drink alcohol(酒).
| A．temper | B．pressure |
| C．consciousness | D．mood |
The failure in physics seemed to have completely ______his confidence.
| A．destroyed | B．injured |
| C．shocked | D．attacked |
They have earned lots of money，so I ______believe that the business is a success.
| A．mildly | B．hardly |
| C．actively | D．firmly |