Scot 1b Work in pairs. Read and choose. 1) The vacuum cleaner was patented by 8) The ballpoint pen was invented by a) Hubert Booth b) Lewis Strauss a) Ladislo Biro b) Ari Hernandez 2) The air conditioner was invented by 9) The first electronic computer was built by a) Willis Carrier b) Simon West a) John Atanasoff and Clifford Berry 3) A tractor was invented by b) Tyson Rode and Scott Shelton a) Frank Abbot b) Benjamin Hot 10) The microwave oven was invented by 4) The first piloted helicopter was invented by a) Troy Howling b) Percy Spenser a) Paul Cornu b) Andrew Rolin 11) The first video tape recorder was 5) The pop-up toaster was invented by invented by a) James Bowels b) Charles Strite a) Norikazu Sawazaki b) William Lukas 6) The first quartz clock was developed by 12) The post-it note was invented by a) Warren Morrison b) Matt Jewel a) Arthur Fry b) Steven Lefal 7) Scotch tape was patented by a) Trevor Carty b) Richard G. Drew 2a look and com Com Suat

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