Some plastic clothes are made from ____, like oil. These clothes can release ____ in the atmosphere when they are burned. We must use each ____ carefully. A ____ is a fabric used to make clothes. Many people wear ____ shirts because they are so cool and comfortable.

Materials

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？