1.
1. At my house. 2. At 3 in the afternoon. 3. At 5 in the afternoon.
4. Think of some party games. 5. Balloons.6. Eric.
2.
a. They are going to climb the mountains.
b. He is going to the library.
c. She is going to make a birthday cake.
d. They are going to the supermarket.
e. She is going to have a party.
f. He is/going to draw a picture.