这座桥足够坚固，能支撑重型卡车吗？

Is this bridge strong enough to ___support a heavy truck?

巨大的石拱由两根粗壮的柱子支撑着。

The massive stone arch is ___supported by two thick columns.

她感到头晕，于是靠在墙上支撑着自己。

She leaned against the wall to ___support herself as she felt dizzy.