3 sentences

1. 趁着有风，他在谷场上扬谷。

   chèn​zhe yǒu fēng, tā zài gǔ​chǎng shàng yáng gǔ.

   Taking advantage of the wind, he is winnowing grain on the threshing floor.

   Source: Dong Chinese Dictionary

2. 这袋大米里杂了不少谷壳。

   zhè dài dà​mǐ lǐ zá le bù​shǎo gǔ ké.

   This bag of rice is mixed with quite a bit of chaff.

   Source: Dong Chinese Dictionary

3. 田野里到处都是成熟的金黄色谷子。

   tián​yě lǐ dào​chù dōu shì chéng​shú de jīn​huáng​sè gǔ zi.

   The fields are filled with ripe, golden millet.

   Source: Dong Chinese Dictionary