6. That was a terrible piece of work you        the other day. I could hardly believe it was yours.

   A. turned in   B. turned down

   C. turned on   D. turned up

5. He was a good friend―always        to help at the slightest sign of need.

   A. available   B. convenient

   C. accessible   D. incredible

4. We must        that the experiments are controlled as rigidly as possible.

   A. assure   B. secure

   C. ensure   D. issue

3. My old friend Ted        me to have a try,so I poured a cup of tea and drank it with satisfaction.

   A. urged   B. talked   C. made   D. invited

2. The boss painted a unique picture of the shopping habits of customers,plus their motivation and         .

   A. possessions   B. possibilities

   C. promises   D. preferences

1. I'm not sure what's his        in the comedy,but I think he will act the part of the hero.

   A. role   B. performance

   C. play   D. position

10. I'd like to take my picture         . (stand)

我想在金塔所在的地方照张相。

9. He listened so carefully that not a single sound         . (miss)

他听得如此认真,以至于不会错过任何一个声音。

8. Apples are usually         ，and eggs are sometimes sold by the dozen. (sell)

苹果一般按重量销售，鸡蛋有时按打销售。

7. It        Alice understood his leaving so suddenly (until)

直到她读了那封来信,Alice才明白他为何突然离开。