Use constructions with emphatic "it" in the following sentences.M o d e l : 1) I ran into him on the second day.It was on the second day that I ran into him.2) The doctors do not allow him to go to the South.It is the doctors who (that) do not allow him to go to the South.1. They invited him to their place for a week-end. 2. The tourists were greatly impressed by the beauty of the Baikal. 3. Picasso's pictures on exhibition at the Pushkin Museum attract crowds of visitors. 4. We failed to get in touch with the expedition because of the bad connection. 5 Londoners are very proud of their parks and gardens. 6. He was worried about his son. 7. She attends an art school evenings. 8. She introduced him to her parents. 9. They had to put off the experiment for that single reason.​