Question: Dialogue: W: Come to the movies with us. Everybody needs to take a break every once in a while. M: I guess I might as well. I've been studying so long I just can't concentrate. Question: Why can't the man concentrate on his study? - He keeps thinking of going to the movies. - His classmates are taking a break. - He's been studying for too long.
Answer: He's been studying for too long.

Question: Dialogue: W: I'd like to change this red table cloth with the green one. M: Ok. The red one is only $ 11, and the green one is $ 15. Question: How much more money should the woman give the man? - $39. - $4. - $35.
Answer: $4.

Question: Dialogue: W: Friday's speaker is supposed to be wonderful. Are you going to attend the seminar on that day? M: Yes. But I haven't been able to get the ticket yet. Since the lecture is open to the public, I imagine that the tickets may have already been sold out. Question: Why is the man afraid he won't be able to attend the seminar? - He thinks that there won't be enough sets for everybody. - He thinks that there might not be any more tickets available. - He thinks the seminar won't be open to the public.
Answer:
He thinks that there might not be any more tickets available.