Нужно вставить где нужно предлоги to,by,in,from,about,on of into. 1.They travelled.... the comfortable bus rounb the city. 2.My friends like to learn more ...... different places of interest. 3.In our summer school we translaslated many texts ..... Russian. 4.It was great to get a letter ... you. 5.Yesterday Kerry and his classmates invited us ....Moscow. 6.My family decided to spend our summer holidays .... Africa.