2 sentences

1. 中秋节全家人聚在一起赏月吃月饼。

   Zhōng​qiū​jié quán jiā​rén jù zài​yī​qǐ shǎng​yuè chī yuè​bǐng.

   During the Mid-Autumn Festival, the whole family gathers to admire the moon and eat mooncakes.

   Source: Dong Chinese Dictionary

2. 中秋节那天，全家人聚在一起吃月饼、赏月。

   Zhōng​qiū​jié nà tiān, quán jiā​rén jù zài yī​qǐ chī yuè​bǐng, shǎng​yuè.

   On the Mid-Autumn Festival, the whole family gathers to eat mooncakes and admire the moon.

   Source: Dong Chinese Dictionary