A waiter in a restaurant is talking to a customer who has just finished his meal there.

    - Waiter: “Here’s your bill, sir.”

    - Customer: “____________”

David is talking to Lucy about her painting.

    - David: “What a beautiful painting!”

    - Lucy: “____________”

David is apologising to his teacher for being late.

    - David: “Sorry I’m late! The traffic is so heavy.”

    - Teacher: “____________. Come in and sit down.”

Peter and Dane are talking about environmental protection.

    - Peter: “We should limit the use of plastic bags.”

    - Dane: “____________. We can use paper bags instead.”

Ann and Peter are talking about housework.

    - Ann: “ I think children should be paid for doing the housework.”

    - Peter: “____________. It’s their duty in the family.”

    A. That’s what I think                                                            B. You’re exactly right

    C. There’s no doubt about it                   D. I don’t think so

Peter and Mary are talking about social networks.

    - Peter: “Using social networks may have negative effects on students.”

    - Mary: “____________. It distracts them from their studies.”

    A. I’m not sure about that                       B. I don’t quite agree

    C. You’re wrong                                    D. That’s quite true

Linda is thanking Daniel for his birthday present.

    - Linda: “Thanks for the book. I’ve been looking for it for months.”

    - Daniel: “____________”

Joana and David, two lectures, are talking about library skills.

    - Joana: “I think we should teach our students how to use the library.”

    - David:”____________