请把牛奶放进冰箱里，否则会变质。

Please put the milk in the ___refrigerator or it will spoil.

冰箱里几乎空空如也。

The ___refrigerator is almost empty.

记得把剩下的蛋糕放进冰箱里。

Remember to put the leftover cake in the ___refrigerator.