ответ:
i,we,you, they, (do)
he,she,it (does)
на, he,she,it (он,она,оно) всегда ставится окончание s или es
who это кто? , это ед число , поэтому и s добавлятюется
TAG QUESTIONS:
1 The UK's TV service is digital, isn't it?
2 There are 11 national daily newspapers, aren't there?
GENERAL QUESTIONS:
3 Is watching TV the most popular entertainment in the UK?
4 Does it offer hundreds of channels to its viewers?
SPECIAL QUESTIONS:
5 How many daily newspapers are there in the UK?
6 What's the most popular entertainment in the UK?
7 What is banned on television before 9 pm?
ALTERNATIVE QUESTIONS:
8 Does it offer hundreds or dozens of channels to its viewers?
9 Do other channels make money from commercials or editing books?
ответ:
окончание s потому что третья форма одыны , а там does это уже с окончанием значит s уже не надо