The students are _______ to ride the public bicycles to Mount Tianlong for a spring outing.

No one can deny that it is ______ that many more residents could have been injured if the building had fallen at midnight.

Many moving stories of that time remain______ in people’s heart to this day.

I haven’t got ____ nails to mend the cupboard. I need another three.

Though the long-distance runner ______ his previous record last month, his trainer let him ______  its speed as he went around the curve.．