Luyện nghe bài hát The 'r' Machine

Bert (fixing the machine): "Ha! Well, this knows what letter comes next. I put this here..."
Ernie: "Hi there, Bert. What's that machine you're on?"
"Oh hi, Ernie. This is my latest invention, my automatic "R" detector."
"No kidding."
Bert: "Yeah. Anytime this machine an "R" or an "R" word, it rings a bell. I'll start it up for you now...."
(sound of starting)
Ernie: "Wow! Look at that go."
Bert: "Now if just say something that begins with "R"..." (bell rings)
"What was that?"
Bert: "Oh, I said "R". (bell rings) And when you say "R" (bell rings), the bell rings." (bell rings)
"Hey! You said "rings" (bell rings) which begins with "R"." (bell rings)
"Right." (bell rings)
Ernie: "Why, that's remarkable! (bell rings) Hey! (Ernie laughs) Keeheehee! That's fun. Let me it an "R" riddle." (bell rings twice)
Bert: "O.K. Just don't go too fast. I don't know happen if the machine gets going too fast."
Ernie: "O.K. Listen to this, machine: Roscoe really raised rabbits while Ruth rode the red reindeer. If Roscoe's rabbits a racket, why did Ruth's reindeer run the rabbits ragged?"
(bell 17 times)
Bert: "Hey, hey! Don't talk so fast. The is beginning to smoke."
Ernie: "Well, I have one last poem here."
"Yeah, yeah, but listen.."
Ernie: "Robert rolled reddish radishes the ring of rubber rubbish..." (The bell rings seven times and the machine makes a "Moooooooo!" sound)
(The machine and makes a whistling sound)
"Hey, hey, wait! Hold it!....Wait!....Now look what you did!"
Ernie: "Oh my! The machine ruined."
(The bell rings and the machine another whistling sound)
"Rats!"
(The machine out a spring)