10. The robots will _____of the flowers in the garden. ( take care/ take note/ be careful/ carry)
11. _____ pencils and paper, every student will have a computer.( By/ Instead/ Instead of / At)
12. I would like to have my house by _____ so we can see the beach from my window. (the mountains/ the city/ the sea/ the countryside)
13. A hi-tech robot will help us ____ children while we are away( look out/ look at/ look after/ look in)
14. I might have a smart phone ______ the Internet. ( surf/ to surf/ surfing/ to surfing)
15. “ Do you think we will _______ holiday to the Moon?” ( go/ go on/ go on the / go for)
16. With a smart watch, you will ________ your friends in other countries. (speak/ talk/ say/ contact)
17. A super smart TV will help us ____ goods from the supermarket. (take/ buy/ carry/ order)
18. If we ______ waste paper, we will save a lot of trees. (repeat/ recycle/ rewrite/ remark)
19. If we plant more trees in the schoolyard, the school will become a _____ place. (greener/ darker/ dirtier/ more polluted)
20. Why do you often forget to ____ the lights when you go out of the classroom? (turn on/ turn off/ close/ shut down)
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