-- _______ is the man in the white shirt? -- He is an engineer.
You can ride ____ bike. My aunt’s bike is here. I can use_____.
Our teacher often tell us ____ in the river. It’s dangerous.
---____ interesting the story is!---Yes, I have read it twice.
I’m good at playing___ football, but Jenny is good at playing___ guitar(吉他).
I have _________ homework to do and I’m _______ tired now.