1.The storm was raging (выбор времени: в то время как шторм бушевал всю ночь - Past Continuous - длительное действие) the whole night, and the sailors were trying (выбор времени: моряки старались сделать все возможное - Past Continuous - длительное действие) to do their best to save the ship.
2.Make's friends could hardly recognize him as he had changed greatly after his expedition to the Antarctic. - Past Perfect потому что - результат налицо, он так изменился, что его невозможно было узнать)
3.When I entered (просто вошел - Past Simple) the hall, the students were listening (слушали (в тот момент как он вошел - Past Continuous - длительное действие) to a very interesting lecture in history.
— Where are the children?
— They are in the yard.
— What they are doing?
— They are feeding the birds.
2
— Where is our Head Teacher?
— He is in his study.
— What he is doing?
— He is making a schedule.
3
— Where are the girls and boys?
— They are in the cinema.
— What they are doing?
— They are watching a film.
4
— Where are our friends?
— They are at school.
— What they are doing?
— They are learning.
5
— Where is the puppy?
— The puppy is in the hall.
— What it is doing?
— It is playing with a ball.