Thomas Edison (43)... two thousand different mater...

Thomas Edison (43)... two thousand different materials in search of a proper filament for the light (44)… His assistant complained, "All our work is useless." Edison replied (45) ..., "Oh we have come a long way and we have learned a lot. We know that there are two thousand elements which we cannot use to make a good light bulb."
43.

Kata tried atau “mencoba” adalah kata yang tepat untuk melengkapi kalimat rumpang tersebut. Jawaban A salah karena berarti “membawa”. Jawaban C salah karena bermakna “bermain”. Jawaban D salah karena artinya “menunjukkan”.