问题

Do you still remember when we went to Nanjing?— I cant’ remember now but ________ sometime last summer?[ ]

A: might it be
B: IMG style="VERTI
C: could it have been
D: should it have been

正确答案是：

同类题型

Further space exploration has been _______ with the rapid development of China’s science and technology

I am in America, but my parents _________.

______ to give his mother a surprise , Tom arrived home ahead of time.

May Iplay computer games, Mum?—No, you ______. You’ve got a lot of homework to do.

When I am tired with math exercises, I go out for a walk to get relaxed.