下列句子中，加点的成语使用不恰当的一项是（3分）

–Whose advice do you think I should take? –______.

For all the crowds at World Expo 2010 in Shanghai,the people lined up at every entrance and entered the exhibits________.[ ]

We are now in senior three. I think it’s time we ______ more efforts for the college-entrance exams.

It’s more than half a century ________ my grandfatherjoined the Party and became a servant to the people.