Jonathan ... (work) on his invention for three hours before he finally goes to Мой ответ

Question

Английский язык: Jonathan ... (work) on his invention for three hours before he finally goes to Мой ответ​

ihorrubalko · Answer

Jonathan works on his invention for three hours before he finally goes to...

Jonathan ... (work) on his invention for three hours before he finally goes to Мой ответ​