Complete the questions with tag endings                                                                                 1.The friends were responsible or the project,________?                                                           2.Tomorrow the students will arrange the date and time,_________?                                          3.Jim didn't take part in the project,_______?                                                                          4.There were a lot o students in the hall,__________?                                                             5.Mary is going to see the dentist,__________?                                                                       6.It was sunny and warm yesterday,__________?                                                                 7.Chris likes taking photos,__________?