• Matéria: Inglês
  • Autor: fazerlivetesta
  • Perguntado 4 anos atrás

About the past continuous, answer:

Scientists __________experiments while they __________ at university.


were doing / was studying



were doing / were studying



did / were studied



were did / were studying



was did / were studied

Respostas

respondido por: helenavidal2009
0
Tem algum texto antes, porque assim não dá para responder! Se casa tiver algum texto, me manda que respondo ainda hj!
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