鞭炮突然炸开，发出"bing"的一声响。

The firecracker suddenly exploded with a loud ___bing.

烤箱发出清脆的叮声，提醒我们饼干烤好了。

The oven gave a cheerful ___bing to let us know the cookies were done.

我经常用必应查找旅游信息。

I often use ___Bing to look up travel information.