— You may find the key to the maths problem on page 107.
— Ah, it’s so simple. I wonder why I ______ of that.
| A．hadn’t thought | B．haven’t thought |
| C．didn’t think | D．wasn’t thinking |
8. You’d sound a lot more polite if you make a request a question.
| A．in search of | B．in the form of | C．in need of | D．in the direction of |
7. 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 |
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.
| A．primary | B．alternative | C．instant | D．unique |
5. In our class, when the bell rang and the taacher closed his book, it was a or everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
4. Hiking by oneself can be fun and good for health. It may also be good forbuilding.
| A．respect | B．friendship | C．reputation | D．character |