The soldier raised his gun and calmly __________ it at the enemy commander, fired.
【选项 】
| A．aiming |
| B．aimed |
| C．to aim |
| D．aim |
Mr. Smith didn’t understand _____ made his son so upset that evening.
| A．what was it | B．why it was this | C．how that was | D．what it was that |
Although cats can not see in complete darkness, their eyes are much more ______ to light than human eyes.
| A．brilliant | B．attractive | C．available | D．sensitive |
Don’t mention that at the beginning of the story, or it may _______ the shocking ending.
| A．give out | B．give away | C．give up | D．give off |
I’m tired out．I stayed up the whole night, ______ for my midterm math exam．
| A．studying | B．to study | C．to be studying | D．studied |
The first prize goes to _______ makes the greatest contribution to the company.
| A．whomever | B．whichever | C．no matter who | D．whoever |