What’s the matter, Mary You looked upset.— I failed again in my math exam. I’m really sorrybecause I don’t want to ____ my parents down.

There is ____ “h” in _____ word “hour”.

Construction workers usually get ______ by the day

What do you think of the movie Zootopia (《疯狂动物城》）—It’s one of________ that I have seen.

George is not here. What’s the matter with him-Her father is ill in hospital. She has to_____ him.