答案：实战演练
One possible version:
The Mid-Autumn Festival
The Mid-Autumn Festival is one of the most important Chinese festivals. It takes place on the 15th day of the eighth lunar month.
The festival is a time of reunion. On the evening of the festival, we usually have a big family dinner. All the family members try to go back home. Then we can enjoy the moon and eat mooncakes. Eating mooncakes is a must during the festival because mooncakes are the special food for this festival. We can also look back on the past and look forward to the future together.
I am happy at the Mid-Autumn Festival because all the family members can get together.