Oven &
1b Work in pairs. Read and choose.
1) The vacuum cleaner was patented by
a) Hubert Booth b) Lewis Strauss
2) The air conditioner was invented by
a) Willis Carrier b) Simon West
3) A tractor was invented by
a) Frank Abbot b) Benjamin Hot
4) The first piloted helicopter was invented by
a) Paul Cornu b) Andrew Rolin
5) The pop-up toaster was invented by
a) James Bowels b) Charles Strite
6) The first quartz clock was developed by
a) Warren Morrison b) Matt Jewel
7) Scotch tape was patented by
a) Trevor Carty b) Richard G. Drew
2a Look and say how often we use
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