3 sentences

1. 柯先生是我的老师。

   Kē xiān​sheng shì wǒ de lǎo​shī.

   Mr. Ke is my teacher.

   Source: Dong Chinese Dictionary

2. 几只麻雀在翠柯上欢快地跳跃。

   jǐ zhī má​què zài cuì kē shàng huān​kuài de tiào​yuè.

   Several sparrows are hopping happily on the green branches.

   Source: Dong Chinese Dictionary

3. 伐木工人在林中休息，顺便修理破损的柯。

   fá​mù gōng​rén zài lín zhōng xiū​xi, shùn​biàn xiū​lǐ pò​sǔn de kē.

   The lumberjack was resting in the woods and took the opportunity to repair a broken axe handle.

   Source: Dong Chinese Dictionary