．So far, several cases of a disease, _____ as H1N1, are reported to have been found in the country．
| A．knowing | B．to be known | C．having known | D．known |
--- I hear that you have made a new market plan.
---Yes, but what puzzles me now is how to ______the plan.
| A．carry out | B．pull out | C．put out | D．work out |
The man took out his iPad and saw the latest film while his car _____.
| A．had been repaired | B．had repaired |
| C．was being repaired | D．was repairing |
---Where did you get to know the famous writer?
---It was on the farm______ we used to work together.
| A．where | B．which | C．that | D．/ |
Microblogs experienced rapid growth in 2011 in China, with the number of microblog Operators, users and visitors ________ several times.
| A．to increase | B．increased | C．increasing | D．increase |
What worried the child most was _____________ to visit his mother in the hospital.
| A．to his being allowed | B．his not being allowed |
| C．not his being allowed | D．not his allowed |