_______ is hard is to do good all one’s life and never do anything bad.
| A．He | B．It | C．That | D．What |
__________ many times, she still can't remember it.
| A．Had told | B．Having been told |
| C．Having told | D．Being told |
Can you imagine what difficulty we had __________ home in the snowstorm?
A walked B. walk C. to walk D. walking
__________ that he wasn't happy with the arrangements, I tried to book a different hotel.
| A．Perceiving | B．Preventing |
| C．Puzzling | D．Preserving |
Tom looked at Jenny, with tears __________ his eyes, and shouted out the words __________ in his heart for years.
A, filling; having been hidden B. filled; hidden
C. filling; hiddenD. filled; hiding
__________ has been reported, the Shanghai Special Olympics attracted more than 3, 000 athletes from many countries.
| A．That | B．What | C．Which | D．As |