() 4. When something is wrong with your robot,it might in your house.

   A. make a mess   B. made a mess   C. makes a mess   D. made mess

() 3. — Alex,did you find our old school last week?

——Yes,but with much difficulty,for it has changed over these years.

   A. completely   B. never   C. hardly   D. partly

() 2. The surface of the glass is so that even a fly can’t stand on it.

   A. hard   B. smooth   C. light   D. straight 

() 1. Daniel wrote a letter to complain his broken robot.

   A. at   B. on   C. about   D. to

10. Successful (manage) need a good ability to communicate with others.

9. I think robots will have (brain) in the future.

8. The robot can go (shop) at the supermarket.

7. His mother (iron) all his clothes yesterday.

6. The (explore) have been to many dangerous places over the past ten years.

5. You can make your clothes (smoothly) with an iron.