【原创】 Green roofs have an ______effect, helping reduce the amount of energy______ to heat a building in winter and cool it in summer.
A.isolated;needed | B.isolating;needed |
C.isolated; needed | D.isolating;needing |
The headmaster who had the grand ceremony waved to the crowds with a smile .
A.included | B.joined | C.introduced | D.attended |
When the market economy is introduced, many factories will not .
A.live | B.last | C.survive | D.keep |
This is an illness that can total blindness if it is left untreated.
A.result from | B.lead in | C.result in | D.leave behind |
Our chemistry teacher a better way of working out the problem this morning.
A.caught up with | B.came up with |
C.put up with | D.got on with |
-What do you think of store shopping in the future?
-Personally, I think it will exist along with home shopping but ______.
A.will never replace | B.would never replace |
C.will never be replaced | D.would never be replaced |