35. 现在已经有在工厂里工作的机器人了。

Today there are already                                   in factories

36. 科学家们现在正在努力使机器人看起来像人。

Scientist are now trying to                  robots                                   humans.

37. 许多机器人可以做和人类一样的事情。

Many robots can do                                   things                  humans                 .

38. 使机器人像人一样思考将会很难。

                 will be difficult                                   robots think like a human.

39. 要有更多的机器人可能会花费上百年的时间。

It may                                                    years to have more robots

40. 电脑和火箭在100年前好像是不可能的。

Computers and rockets                                   100 years ago.

41. 我们绝不会知道将来会发生什么事。

We never know                                                    in the future.

42. There will be more robots in the f                .

43. I b                 that you will be successful.

44. Look! There are many kites in different s                 in the sky.

45. It's d                 to cross the road when the traffic light is red.

46. Tom has worked in this f                 for more than ten years.

47. I a                 finished my homework.

48. His first book was good, but this one is e                 better.

49. I agreed to have a picnic in the park on Sunday, but Lily d                .

50. Nothing is i                 if you try your best to do it.

51. Liu Yang was the first female a                 into space.