_________ it takes many years to gain the skills of an expert.
| A．It is well known to us that | B．As is known to us that |
| C．As we know that | D．That is well known to us |
U.S. President Barack Obama on Wednesday paid honor to health care workers who have treated Ebola patients in West Africa, calling them “heroes”_________ to be applauded rather than discouraged.
| A．reserving | B．deserving |
| C．observing | D．preserving |
Needles apparently stuck into the body of an 11-month-old baby by her abusive aunt were surgically(手术地) ______on Tuesday.
| A．moved | B．placed |
| C．replaced | D．removed |
Despite the fact that Philip has been working hard, it is______ clear that he has no chance of passing his examination.
| A．absolutely | B．immediately |
| C．confidently | D．painfully |
With the night falling, the crowd gathering around the accident scene began to_________.
| A．break up | B．break down |
| C．break out | D．break away |
Shirley Temple is a former Hollywood child star, who began to enjoy great_________for the role she had played in films, when she was just 5 years old.
| A．performance | B．fame |
| C．devotion | D．assistance |