语法练习题：形容词和副词
Be careful,there're many pitfalls.1.It seems that living green is easy and affordable. A small step masks a big difference.
A. exactly B. fortunately C. surprisingly D. hardly
2.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.
A. primary B. alternative C. instant D. unique
3. The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview.
A. mainly B. punctually C. approximately D. precisely
4.I canbe a teacher. I’m not a very patient person.
A. seldom B. ever C. never D. always
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