C-38.Which is the best one to fill in the blank？（）

（） is the oldest and fastest-growing form of e-commerce, which allows e-business to collaborate, partner, and share research and complex data with other businesses.

According to the video, eBay is like a flee market, allowing you to get rid of anything you no longer want.

認(rèn)識(shí)自我才能夠不過分地被他人的評價(jià)影響自己的決定。

eBay takes the ancient practice of auctioning goods to the worldwide web, where sellers put items up for auction and interested parties place their （）.