b)Is he/she paying by credit card? Yes, he/she ____ .No, he/she ___. (He/She isn’t)
c)Are they taking photos? Yes, they . No, they.(They aren’t)
źródło:
a)Are you doing the shopping? Yes, I am. No, I am not. (I’m not) b)Is he/she paying by credit card? Yes, he/she is .No, he/she is not . (He/She isn’t) c)Are they taking photos? Yes, they are . No, they are not.(They aren’t)