Question

I forgot____you something that I have long meant to ask you．

A.to be asking
B.having asked
C.to ask
D.to have asked

Answer 1

【答案】：C
C解析：forget to do sth．意为“忘记要做……”，forget doing sth．意为“忘记已经做过……”。根据句意可知要问的事情还没问，故c为正确答案。