Jack almost fell off a big tree while climbing it, but managed to __________until help came.

Volunteering is getting popular in China.—Indeed. More people are now aware that helping others benefits themselves a lot.

______ how close she was standing to the railway tracks, the girl was hit by the train and died on the spot.

下列各项中加横线词语意义和用法相同的一项是（ ）

property, we’re among the richestpeople in this city