I took a few photos yesterday
I made new program on laptop yesterday
I wrote message to my friend who live in America
I bought Apple Watch yesterday
I brought something yesterday
Don`t ride traffic against- Нельзя ездить против движения
<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.