他把自行车靠在树上，然后去商店买东西。

He ___propped his bike against the tree before going into the store.

她用几本书把笔记本电脑垫高，这样打字更舒服。

She ___propped up her laptop with a few books to type more comfortably.

他用几块砖头暂时支撑住摇晃的桌子。

He ___propped up the wobbly table with a few bricks.