Mary is sort of worried today.— How do you know— The look on her face _______ her ______.

He________ for two years. We are still sad about his _________.

How can I improve(提高) my listening skills—–_______________more.

John plays basketball well, _____his favorite sport is badminton.

Nancy, who’s man on the playground— He’s my uncle, English teacher in No.1 High School.