Usually children are allowed to ______ when they are six years old.
8. You’d sound a lot more polite if you make a request a question.
7. The questionnaire takes ten to fifteen minutes to complete and can be used along with the assessment interview.
6. As there is less and less coal and oil, scientists are exploring new ways of making use ofenergy, such as sunlight, wind and water for power and fuel.
5. In our class, when the bell rang and the taacher closed his book, it was a or everyone to stand up.
4. Hiking by oneself can be fun and good for health. It may also be good forbuilding.