026 Let’s call it a day.今天到此为止吧！ A: Let’s call it a day. I am so tired.B: All right!

　　027 Not again!不会吧！ A: Everyone’s late.B: Not again!

　　028 Knock it off!住手！不要吵！ A: Knock it off! I am trying to study.B: Sorry, I didn’t know that you are studying.

　　029 Good night.晚安 A: Good night, everybody.B: Good night, Jill! Have a sweet dream.

　　030 Sure!可以呀！ A: Could I use your computer?B: Sure!

　　031 Of course.当然！ A: Could I borrow your car?B: Of course.

　　032 Yes.是的 A: Is this your cell phone?B: Yes, it is mine.

　　033 Why?为什么？ A: Sarah is not coming.B: Why?

　　034 Be careful on the road.路上小心 A: Be careful on the road. It’s getting dark.B: Ok!

　　035 You decide.你决定吧！ A: Do you want the black tie or the red one?B: You decide.

　　036 Never mind.没关系；不要紧 A: I am sorry that I broke your radio.B: Never mind.

　　037 That’s all right.没关系 A: I didn’t mean to be bump into you.B: That’s all right.

　　038 I don’t know.我不知道 A: Do you know where the police station is?B: I don’t know.

　　039 Is there anything wrong?有问题吗？ A: The boss was every angry at the meeting.B: Why? Is there anything wrong?

　　040 No problem.没问题 A: Could I borrow your car tomorrow?B: Sure! No problem.

　　041 You are joking! (No kidding)别开玩笑了 A: Did you know that Linda’s uncle is Jacky Chen?B: You are joking! How did you know that?

　　042 Why not?为什么不行？ A: You can’t go out today.B: Why not?

　　043 I don’t understand….我不懂 A: Betty broke up with her new boyfriend.B: I don’t understand how could this happen?

　　044 And then?然后呢？ A: You should take this form to the first counter.B: And then? What should I do?

　　045 So what?那又如何？那又怎样？ A: Do you know there is a new theater down the street?B: Yeah. So what?

　　046 It’s alright.还好 A: How’s your steak?B: It’s alright.

　　047 I am OK.我没事 A: Are you hurt?B: I am OK.

　　048 Bon voyage.一路顺风 A: We are leaving for Boston tonight.B: Bon voyage.

　　049 What happened?发生了什么事？ A: Lucy is crying.B: Why? What happened?

　　050 Come on!来嘛！拜托！ A: I don’t want to go to the party.B: Come on! Don’t be shy.