根据对话内容在句中横线上填写适当的话语（话语可能是一个句子，也可能是一个短语或一个单词）

A: Hi, Bruce! The summer vacation is coming. ?

B: I'd like to go to Qomolangma for mountain climbing.

A: Wow, it must be an amazing tour! Do you know anything about the mountain?

B: . It's the highest mountain in the world.

A: ?

B: It's 8,844. 43 meters high.

A: Is it dangerous to climb Qomolangma?

B: . The trip may be dangerous and hard because of the bad weather conditions.

A: Oh, please take good care of yourself during your trip.

B: . I will.