If you heat ice,, it melts., If you freeze water,, it becomes a solid., Plants die, if they don't get enough water., If you mix red and blue,, you get purple., If it rains,, the grass gets wet., If Bill phones,, tell him to meet me at the cinema., Ask Pete, if you're not sure what to do., If students study hard,, they learn quickly.

Zero conditional

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?