2 sentences

1. 面包是用小麦做成的。

   miàn​bāo shì yòng xiǎo​mài zuò​chéng de.

   Bread is made from wheat.

   Source: Tatoeba

2. 这个椅子是用木头做成的。

   zhè gè yǐ​zi shì yòng mù​tou zuò​chéng de.

   This chair is made of wood.

   Source: Dong Chinese Dictionary