(A) Your mother had been waiting for you when you went to your friend’s house. (B) Your mother had being waited for you when you went to your friend’s house. (C) Your mother have been waited for you when you went to your friend’s house. (D) None of these
(A) My whole family is worried because one of our cats seems to have disappeared. (B) My whole family is worried because one of our cats seems to have disappeared. (C) My whole family is worried because one of our cats seem to have disappeared. (D) None of these