As there is less and less coal and oil, scientists are exploring new ways of making use of ____ energy, such as sunlight, wind and water for power and fuel.
To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.
A. leave out B. lead toC. set aside D. focus on
28. My sister was against my suggestion while my brother was _____it.
A. in honour of B. in memory of C. in search of D.in favour of