Переведите на английский язык слова в скобках в Past Simple!!!!! Очень срочно нужно, прошу помогите пожалуйста

1 a lot of houses have been built in Moscow. 2 when was this letter written? 3 many places of interest are visited by tourists. 4 when was this article translated? 5 English is spoken in many countries of the world. 6 the studen is being asked many questions by the teacher now.7 the film was being shown when we entered the hall.8 the device was tested by last month.