Earth Day is a celebration of life and our planet. It is a reminder that we need to ______ the world we livein and that we should learn to respect life and nature.

She didn’t come to his birthday party just_____ what he had said to her the day before.

His scheme ________ in his face after all, despite his optimism.[ ]

Is everything settled? —Not yet. _____ I approached the problem, I couldn’t find a solution.

So touching ______ that I couldn’t hold my tears back when I heard it for the first time.