农民们每天都在田里清除杂草，以免它们影响庄稼生长。

Farmers remove ___weeds from the fields every day to prevent them from harming the crops.

我爸爸每周六早上都会在花园里除草。

My dad spends every Saturday morning ___weeding the garden.

他因为在学校吸食大麻而被开除了。

He got expelled for smoking ___weed at school.