Сделать! complete the sentences with the correct tag endings.(закончить предложения правильным окончанием ) 1.they were happy to get the invitation letter , 2.yesterday your friends went to the cinema, 3.the group of students won "t stay in the 4.his collection of stamps was the 5. the head teacher didn " t write the letter 6. we can arrange a date and time right now

 1.They were happy to get the invitation letter, weren't they?                                2.Yesterday your friends went to the cinema, didn't they?                                    3.The group of students won't stay in the hotel, will they?                                    4.His collection of stamps was the best, wasn't it?                                                5.Head Teacher didn't write the letter, did he/she?                                                6.We can arrange a date and time right now, can't we?