B: Yes, it is. But I think he need much eager to instisting on climbing.
C: I agree with you. The moutain must full of snow and the tempertion is much lower.
D: I think I can't do like him. He worths our study.
A: I thinks so. These days I need more to do exerceis my indurance. Even morning execise is diffcult for me.
B: Me too. I should learn from him.
C:There is no need just saying it. Please do as you said.
B: Sure, I will.
D: Well, I think we all should what we said.