The professor put forward three issues, none of _____ we had ever done any research into before.
| A．them | B．which | C．what | D．that |
Seeing the road ________ with snow, they had to stay at home, watching TV and drinking coffee.
| A．blocking | B．blocked | C．to block | D．to be blocked |
Following Christianity, witnesses have to _______ on the Bible to tell the truth.
| A．put | B．depend | C．swear | D．agree |
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 |
If you the medicine, you better now.
| A．took, would feel | B．had taken, felt | C．had taken, would feel | D．took, would have felt |
The first prize goes to _______ makes the greatest contribution to the company.
| A．whomever | B．whichever | C．no matter who | D．whoever |