1 Beth/play football?
Is Beth going to play football?
Yes, she is.
2 Beth and Harriet/play football?
Are Beth and Harriet going to play football?
Yes, they are.
3 Dave/play football?
Is Dave going to play football?
No, he isn't.
4 Beth and Dave/go online?
Are Beth and Dave going to go online?
Yes, they are.
5 Harriet/go online?
Is Harriet going to go online?
No, she isn't.
6 Beth and Harriet/visit a chatroom?
Are Beth and Harriet going to visit a chatroom?
No, they aren't.
7 Dave/visit a chatroom?
Is Dave going to visit a chatroom?
Yes, he is.
Ответ: смотри заполненные пропуски.