Here is a talk from ラジオ英会話.
Topic is Fixed form expression of disagreeing.
first story is
Two colleagues are talking about email announcement.
a Did you read the email announcement?
b Announcement? From who?
a It's from our new company's president.
Men have to wear a tie everyday from now on.
b Are you serious?
a Yes, that's what it says. He says our company has been too casual and we need to look more professional.
b You must be joking.
a I think the president is kind of a strict person.
b You can say that again.
key sentence is Are you serious?
We disagree casually.
You must be joking.
Don't give me that.
Are you serious? You are quitting your job to travel around the world.
You must be joking. There is no way I 'm going to lend you a hundred thaizand yen.
Don't give me that! I know you 've been bad-mouthing me behind my back.
Second story is
Two shop employees are talking about the soba festival.
a We want to change the Annual Soba Festival to the Annual Udon Festival.
b How coming you are trying make such a change?
a These days, younger people prefer udon to soba and we want atract yong people to our festival.
b I'm sorry, but I don't agree. The Soba Festival is a very important tradition. I don't thiink we should change it.
a Well, we need to discuss this further before a final decision.
key sentence is I'm sorry, but I can't agree.
we disagree in consideration.
I hate to disagree with you, but that's true.
I'm afraid I can`t go along with you on that.
Tell me, what kind of music do you like?
So, what kind of movies do you lile?
Hey, can you do me a favor?
I'm sorry, but I can't agree. Now is simply not a good time to take such a risk.
I hate to disagree, but I think you're completely
missing the point.
Third story is
A couple is talking about a trip with their son.
a Honey, I was thinking that we should go on a trip to celebrate our son's high school graduation.
b Good idea. Where do yo suggest we go?
a How about Okinawa?
b I'm not sure about that. We've already been to Oknawa.
a But Ren wants to go again. He loves the beach and Okonawan culture.
b Hotel prices are kind of expensive at this time of year.
a Let me look for some deals on the internet.
key sentence is I'm not sure about that.
we retain to judge.
I couldn't say.
It's too hard to say.
I'm not sure about that. It could cause friction among the staff.
It's hard to say since we don't have allthe facts.
I wouldn't like to say. I mean, I don't want to hurt anyone's feelings.
Last story is
Two frieds are talking about one's meeting someone.
a Hi George, I saw you on Sunday.
b Oh, did you? Where did you see me?
a It was in the shopping mall. You were with a young woman.
b Was I? Are you sure It was me? I was there alone on Sunday.
a Really? I was pretty sure it was you. You seemed to be enjoying chatting with her.
b Oh, now I remember, That was one of my English students. We bumped into each other by chance.
key sentence is I saw you on Sunday. Oh, did you?
we show what someone said.
You were with a young woman. Was I?
I went out with her.
Oh, did you? I didn't know you were interested in her.
Oh, no. I've forgotten my phone charger.
Oh, have you? Don't worry. You can use mine.
I was late for a really important meeting this morning.
Oh, were you? Did your boss blow his top?
It's hard to say, because the Botan Botanical Garden is attractive tourist. If I were you, i would choose the Zo Zoo. It has a faous Zo Parade and It's only at this time of year.
I'm sure you won't be disappointed.