Answer:
1. At 9:10 this morning, we'll be leaving for the natural history museum.
2. Please bring the following materials with you: pencils, paper, erasers, and a notebook.
The bus will be back at 4 am to pick us up. (it doesnt need one)
4. The special exhibit on birds contains the following types prehistoric birds: seabirds, and domestic birds.
5. The letter we wrote to the museum began: "Dear Sir, Please let us know when the special exhibition on penguins will be shown at your museum."
