5. There is no__________, so everything floats in space. A. space station B. gravity C. space suit D. devices 6. In 2030,__________will deliver most things in less than half an hour. A. smart walls B. 3D printers C. smart screens D. drones 7. In 20 years from now, I think scientists might be able to print new human body parts using __________. A. 3D printers B. drones C. smart homes D. automatic food machine 8. Now we drive petrol cars, but in 2040, all transport__________ electric. A. was B. is C. will be D. have to be 9. In 10 years time, I think people will wear __________ clothes. These clothes will change color or shape when its too hot or cold. A. eco-friendly B. technology C. friendly D. smart 10. Nowadays, we can use some computers by touching their__________. A. smart walls B. screens C. printers D. helpers Mik sẽ đánh giá 5 sao, câu trả lời hay nhất