Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks: Will robots change our lives in the future? It's a funny question to ask when they're changing our lives now in so many ways and they have been for years. Since the first time you (31) _______ a toaster pop up by itself, we've casually accepted that machines can be trusted to do things (32) _______ us. Right now all modern technology (33) _______ to bring the world to you: phone, radio, television, internet, but if trends continue, robots will soon bring you to the world, everywhere, and at the (34) _______ of thought. It's a future goal - something we know we can do. Robots won't just change our lives in the future, they'll expand them. Not just for fun (35) _______ for necessity. 36. A. see B. saw C. have seen D. will see 37. A. for B. to C. with D. on 38. A. designs B. is designed C. is designing D. was designed 39. A. time B. rate C. speed D. way 40. A. but B. both C. so D. either