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.? 4His collection
of stamps was the best, .wasn't it..? 5 The Head Teacher didn't write the letter,
.did he (she)..? 6 We can arrange a date and time right now, .can't we..?