There is a big cake. _______ share it.

You seem to have had that car for years.—Yes, I should sell it ________ it breaks down.[ ]

下列各中，加点成语使用正确的一项是（ ）（3分）

I”m surprised that he ____ to help me when I needed his help .

．－ does your grandfather reading newspapers－About an hour every day.