clean (adj & v)

他昨天打扫了房间。

He ___cleaned the room yesterday.

我把清洁用品放进了柜子里。

I put the ___cleaning ___supplies in the closet.

这种清洁剂能有效去除厨房油渍。

This ___cleaner works well on kitchen grease stains.

这是我见过最干净的实验室。

This is the ___cleanest laboratory I've ever visited.

保持双手干净很重要。

It's important to keep your hands ___clean.

我妈妈每天早上打扫厨房。

My mum ___cleans the kitchen every morning.