.(2010·安徽两地三校高10月联考) 22. --- Do you still remember when we went to Nanjing?
--- I can’t remember now but _________ sometime last summer?
A. might it be B. could it be
C. could it have been D. should it have been
.(2010·安徽两地三校高10月联考) 22. --- Do you still remember when we went to Nanjing?
--- I can’t remember now but _________ sometime last summer?
A. might it be B. could it be
C. could it have been D. should it have been
C