他小心地在纸上涂了一层薄薄的胶水。

He carefully ___spread a thin layer of glue on the paper.

我每天早上都在吐司上涂草莓酱。

I ___spread strawberry jam on my toast every morning.

欧洲人经常在面包上涂黄油，而不是橄榄油。

Europeans often ___spread butter on their bread instead of olive oil.