--- What’s the matter, Mary? You looked upset.--- I failed again in my math exam. I’m really sorry because I don’t want to ____ my parents down.
She’s never been to Beijing before,________she?
The Smiths moved to China ten years ago and________there since then.
Han Mei________in this school since last year.She knows every teacher here.
The old man and his wife have lived in the small village________they retired.
—Do you like pop music? —Yes,I do.________,I am a super fan of pop music.