13. I (to decide) to have a walk as the weather (to be) great. The birds (to sing) loudly.

Перевод задания: Раскройте скобки, поставив глаголы в Past Simple, Past Continuous или Past Perfect.

I decided to have a walk as the weather was great. The birds were singing loudly.

Я решил прогуляться, так как погода была прекрасной. Птицы громко пели.

Ответ: decided, was, were singing.