Question

" Pacemakers have come a long way since the 60s, when inventor Dr. Wilson Greatbatch accidentally invented it. "
A palavra "since" no texto marca .......... *
10 pontos
o início de um período
o período todo
5) When he got home he realized he .............. his keys in the office. *
10 pontos
have forgotten
had forgotten
forgot

Answer 1

*o período todo

*had forgotten