1.Does Russian television have over twenty channels?
2. Russian television has over twenty channels.,doesn't it ?
3. Does Russian television have over twenty or fifty channels ?
4.How many channels does Russian television have ?
2. 1.We saw lots of adverts for veriety shows and comedy shows.,didn't we ?
2.Did we see lots of adverts for veriety shows and comedy shows ?
3. Did we see lots of adverts or posters for veriety shows and comedy shows ?
4.What did we see ?