4 W zeszycie uzupełnij luki w zdaniach
zgodnie z informacjami w tekście.
1 George de Mestral came up with the idea of Velcro
after a ?
2 When the first windscreen wiper was invented, the
driver had to ? from inside.
3 Trevor's wind-up radio is popular not only with
people in poorer countries, but also with people
who think that ?.