How long have you been there? —_______.[ ]

Roy made several kites, but _____ of them can fly high in the sky.

There arepeople in the supermarket. It’s so crowded.

It’s ________ of Chen Guangbiao(陈光标) to donate 100,000,000 yuan to people in debris disaster areas(泥石流灾区) in Taiwan. I think he is one of the best philanthropists(慈善家) in the world.

She had never been to the Great Wall before. Today she saw it _______ the first time. [ ]