Закончил предложения с исправленными концами. ( разделительные вопросы ).
Например: He is responsible for music, ........? --- He is responsible for music, ISN'T HE?
1) They we happy to get invitation letter, ...?
2) Yesterday your friends went to the cinema, ...?
3) The group of students won't stay in the hotel, ...?
4) His collection of stamps was the best, …?
5) The Head Teacher didn't write the letter, …?
6)We can arrange a date and time ridght now, …?