14

0:15 1 Luidsprekere 1 Hoofstukke 7 Groepeamount in units (real)
Volgrote Transmitte Soektog almal

Luidsprekere

Hoofstukke

  1. 0:01
    Hoofstuk 1: How can we identify the best solution? 13s · Speaker 1

    How can we identify the best solution? A. We may want to consult some experts. B. Everyone must show identification. C. In the laboratory.