The idea for the new machine came to Mr. Baker ______ to his invention recently.
A.while devoting | B.while devoted |
C.while he was devoted | D.while devoting himself. |
Since the new director took office, we have worked ___hours, -that is to say, we work more freely.
A.flexible | B.compulsory | C.strict | D.endless |
___ is well-known to all is that the 2010 Shanghai World Expo has been brought to an end.
A.As | B.That | C.What | D.It |
Those successful deaf dancers think that dancing is an activity sight matters more than hearing.
A.when | B.whose | C.which | D.where |
the secret of nature, they young scientist has little time for entertainment.
A.Devoted to betray | B.Devoting himself to bring to light |
C.Devoted to unearthing | D.Devoting to exploring |
Her excellent performance in the competition proved that she was a winner.
A.value | B.worthy | C.worth | D.worthwhile |