There aren’t any___ between them.
— Have you seen my iPhone 5? I left it here this morning.— Is it black one? I think I saw it somewhere.
No one can exactly tell us what .
---Look at the glasses on the desk. Are they David’s?---They belong to him. I saw him go out with glasses just now.
of our classmates are good at basketball.
--- skirt is blue. is red. Which of them do you prefer?--- is OK. I like their styles.