Write the most suitable words in each gap (ago, yesterday, last, while, when, as, on, in, at). Translate the sentences. ( ) 1) My father's friend had a baby 2) He was having dinner in the restaurant that time 3) My cousin bought the souvenirs he was in London 4) The train was going out ___8 p.m. ___ 5) His aunt studied English 2001​

1. My father’s friend had a baby yesterday. У друга моего папы вчера родился ребёнок.
2. He was having dinner in the restaurant at that time. В это время он ужинал в ресторане.
3. My cousin bought the souvenirs when he was in London. Мой кузен купил эти сувениры когда он был в Лондоне.
4. The train was going out at 8 p.m. yesterday. Поезд выезжал вчера в 8 вечера.
5. His aunt studied English in 2001. Его тётя изучала английский в 2001-м году.