b) Complete with: was, were, wasn't or weren't. 1 There ..... a lot of people in the fast food restaurant last night. It was very busy!

1. There were a lot of people in the fast food restaurant last night. It was very busy!

В данном предложении необходимо использовать форму множественного числа глагола to be (быть) в прошедшем времени. Так как речь идет о множестве людей (a lot of people), используем "were".

Ответ: There were a lot of people in the fast food restaurant last night. It was very busy!