27. ________ of the ________ life in the city, Mr Blaster, with his wife and daughter, moved to the countryside.
| A．Tiring; boring | B．Tired; bored | C．Tiring; bored | D．Tired, boring |
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 |
The committee is discussing the problem right now. It will _____ have been solved by the end of next week.
| A．eagerly | B．hopefully | C．immediately | D．gradually |