问题

When ________ about one of the biggest concerns today, many people mention the sharp rise in prices[ ]

A: asking
B: to ask
C: having asked
D: asked

正确答案是：

同类题型

With exportsan important role in its economic growth now, this province has been affected by the global economic downturn.

Do you play computer games —No,_______. I don’t like them at all.

________ is it from your home to school

I someof my free time playing basketball for my school team.

They devoted____their country.[ ]