根据对话情景，在空白处填入合适的句子。

A: Hi, Li Dong! Tomorrow is Saturday. __1__

B: Well, we have decided on one thing, We're going to the Great Wall for a picnic.

A: Oh. Sounds great! __2__

B: We're going there by bus.

A: __3__

B: Everyone should wear sports shoes.

A: When and where are you leaving?

B: We're leaving at the bus stop at 6:00 tomorrow morning.

A: __4__

B: We're going hiking.  

A: __5__

B: For a whole day.  We'll be back at 4:50 in the afternoon.

A: Well, have a good time! Show me your photos when we get back to school.

B: Thanks.  I will.

企业劳动争议处理机构不包括（）。

A、用人单位劳动争议调解委员会

B、劳动行政部门

C、人民法院

D、劳动争议仲裁委员会