-- 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 |
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-- 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 |