— Do you still remember when we went to
题型：选择题
问题：
— Do you still remember when we went to Chongqing?
—I can’t remember now but ______ sometime last summer?
A．could it be
B．might it be
C．could it have been
D．might it have been
— Do you still remember when we went to Chongqing?
—I can’t remember now but ______ sometime last summer?
A．could it be
B．might it be
C．could it have been
D．might it have been