Complete the text using two of the expressions. Thomas Alva Edison was a famous American inventor. He was the creator of the light bulb, the phonograph and the kinetoscope (the first video camera). ____________(a) for him. At the beginning, the creation of the light bulb was difficult. People say that about 1000 experiments were necessary to make it work. It was apparently _______________ (b). But in the end Edison was very persistent. Finally, his invention was successful. AYUDA POR FAVOR, SI NO SABE NO RESPONDA:(
Respuesta:
ÑÑññññññññññññññññññ
yyyehejbwjwjhydhhdbdhz