1) If you... ice cubes in a hot place, they... a) put/melt b) boil/changes c) floats/drop 2) When you... water in a pot, it... to a gas. a) put/melt b) boil/changes c) floats/drop 3) Soap... if you... it in water. a) put/melt b) boil/changes c) floats/drop 4) Sugar... when you... it to coffee. a) dissolves/add b) boil/changes c) floats/drop 5) When you... water into a freezer, it ...solid.  a) floats/drop b) put/becomes c) boil/changes

排行榜

视觉风格

选项

切换模板

恢复自动保存: