我不得不遮住眼睛，因为光太亮了。

I had to ___cover my eyes because the light was too bright.

下雨时，我们用雨伞遮雨。

When it rains, we use an umbrella to ___cover ourselves.

她用毯子盖住他，让他保暖。

She ___covered him with a blanket to keep him warm.