<u>о</u>ба варианта возможны. но есть различие. At мы говорим, когда имеем в виду какое-то событие. Например: Where were you last night? ---At the cinema.
In ---когда мы говорим о самом здании. It was very cold in the cinema.
It is Saturday today. The children are at the circus. They were at the zoo last Saturday. It is lunchtime and he is in the kitchen. He was at the supermarket in the morning. It is Friday evening. Bill and Mary are at the theater. They were at work three hours ago. It is Monday afternoon. Tom and Sid are in the library. They were at school two hours ago.
Франсин,Стен,Роджер.Вроде все
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