—What does the sign over there read?—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area. 

--- Whose comic book is it?  --- It ________ be Daniel’s. He often shares his comic books with his friends.

—I’m sorry. I         at you at the other day.— Forget it. I was a bit out of control myself.

Nanjing isn’t so large __________ Shanghai, however, it’s the second __________ city in East China.

--- May we leave the classroom now? --- No, you ____________ . You ____________ to leave before the bell rings.