1. Have you ever _______ martial arts? A. done B. did C. do D. does 2. How _______ do you go swimming? A. far B. often C. old D. many 3. David Beckham was born _______ 1975. A. in B. on C. at D. of 4. My robot can walk and it can also ________ in the sky. A.Fly B. take C. make D. lift 5.Fastbot is the ___________robot. A.faster B. fastest C. most fast D. most fastest 6.Astronauts live and work on a _____________ A.Factories B. company C. space station D. houses 7.Robots don’t need to see doctors because they don’t __________ sick. A.Run B. get C. have D. make 8.Robots can _________ on sick people. A.drive B. go C. make D. operate II.Fill in the blanks with the correct forms of the verbs: (2ms) 1.Have you ever ____________ hide and seek. ( play) 2.I would like ____________ surfing. ( go) 3.Robots can ____________ in factories. (work) 4. My brothers _________ soccer at the moment. ( play)