Read the text of exercise 1 once more. Correct the wrong

Read the text of exercise 1 once more. Correct the wrong sentences.
1)Barbara Grey is going to visit Russia.
2)Stephen Wooding is going to invite Russian students to Britain.
3)The English partners are going to be responsible for the costs of accomodation.
4)The Russian pupils are going to be responsible for a social programme.
5)The Russian students and their teachers are going to stay in a hotel during their visitto London
6)They are going to visit London in March.