1. the friends were responsible for the ? 2. tomorrow the students will arrange the date and 3. jim didn`t take part in the 4. there were a lot of students in the ? 5. mary is going to see the 6. it was sunny and warm

1.  The friends were responsible for the project, weren't they?
2.  Tomorrow the students will arrange the date and time, won’t they?
3.  Jim didn`t take part in the project, did he?
4.  There were a lot of students in the hall, weren’t there?
5.  Mary is going to see the dentist, isn’t he?
6.  It was sunny and warm yesterday, wasn’t it?