我通常在周末卖掉不再需要的东西。

I usually ___sell things I no longer need on weekends.

她在网上市场买了一个二手相机。

She ___bought a used camera from the online marketplace.

她经常在eBay上出售旧衣服来赚点零花钱。

She often sells old clothes on ___eBay to earn some extra cash.