Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.
David said that it was because of his strong interest in literature________ he chose the course.
—So you didn’t say “Hi” to your partner when you saw her? —Well,I stopped and smiled at her,but she________ me and walked on with her head high.
Emily’s grandma________ poor health for several years,so she always takes care of her after school.
—I got an A in my English final exam. I really can’t believe it myself! —. I know how hard you’ve worked for it.
Global warming sometimes feels like a problem that’s very far away from our lives, only the government needs to worry about.