I told Mom that not everyone could manage to have 3 meals on time everyday, ________？

I do believe that all the Senior 3 students in our school will do well in the coming college entrance examination, __________?

Nobody but I knows Japanese in my class,     ?

— Peter, you feed the gold fish and the two little tortoises, ______?　— I did it in the morning; it’s a routine for me now．

 --Is there an English book in your bag?--______. It’s a Chinese book.