Exercise 5. Choose the best answer A, B, C or D. 1. I might buy a smart phone_________ the Internet. A. surf B. to surf C. surfing D. surfed 2: A robot won't be able to_________ of babies. A. take note B. take care C. take D. care 3. If you have a smart watch, you can _________ your friends in other countries. A. talk B. speak C. say D. contact 4. We can save a lot of ___ if we remember to turn off all the electric appliances when we go out. A. electricity B. electrical C. electric D. electrician 5. If people use_________ paper, they can save a lot of trees. A. fewer B. more C. much D. less 6. My mum often _________ the bed for the whole family. A. goes B. does C. makes D. cleans 7. Robots will be able to work harder and longer than people ____ getting tired and complaining. A. with B. without C. but D. so 8. Is there any_________ in the bin?- Yes, there are some. A. cups B. rubbish C. plates D. spoons 9. "__________________- ?" -"It is big." A. What does the robot like? B. What is the robot like? C.What does the robot look like? D. What is the robot? 10. The children are playing _________ the garden? A. in B. outside C. on D. under