Choose the best answer to complete the passage.
It was a Monday morning. When a teacher walked into the_______, he heard a low voice: “Here is the teacher. I am_______ this boring fellow(烦人的家伙) is going to talk about putting in commas(逗号).” It was______ voice. His name was Bill. He was talking_______ the boy next to him.The teacher didn’t get angry. He said________about it , then  he really began to talk about putting in commas, and then he wrote_______ the sentence: “Bill says the teacher is a boring fellow.”The class______ and Bill’s face_______ red.“Now,” said the teacher, “I’ll_______ you how important commas are.”
He put two commas in the sentence, and now read, “ ______ is a boring fellow.”

A．library B．school C．classroom D．office

A．sorry B．sure C．glad D．surprised

A．his B．the teacher’s C．a boy’s D．a girl’s

A．with B．of C．about D．at

A．much B．everything C．something D．nothing

A．on his desk B．on the blackboard C．in his book D．in Bill’s exercise book

A．laughed B．stopped C．looked D．read

A．got B．changed C．turned D．grew

A．answer B．show C．ask D．give

A．The teacher says, Bill, B．Bill, says, the teacher C．The teacher, says, Bill D．Bill, says the teacher,