The Chairman thought ______ necessary _____ Professor Smith to speak at the meeting.
| A．that; to invite | B．this ;inviting |
C．it; to invite | D．him; inviting |
Most of the educators are ________ providing more freedom to the teenagers, believing that it may make them more creative and independent.
| A．in charge of | B．in search of |
| C．in favor of | D．in place of |
None of us expected the chairman to ______at the party. We thought he was still in hospital.
| A．turn on | B．turn up | C．turn off | D．turn down |
In taking a space walk, Chinese astronauts are__________ going where Russian andAmericans went decades before.
| A．ridiculously | B．commercially |
| C．domestically | D．boldly |
The analysis shows that plastics, particularly those that __________ fast, are contributing to the climate change.
| A．break off | B．break down |
| C．break up | D．break out |
--- Is this company ______ your elder sister once worked in?
---- Yes, it is.
| A．where | B．which | C．the one | D．that |