Earth Day is a reminder that we need to care about the world we live in and that we should learn to ____________ life and nature.
She ______ stop whomever she met to tell the story about her Ah Mao.
______, his idea was actually worth practicing.
. He had already learned the news. I ______ the trouble to phone him about it.
The managers discussed the plan that they would like to see ______ the next year.
-- It’s thirty years since we last met. --- But I still remember the story, believe it or not, ______ we got lost on a rainy night.