1) Общий:Are there three states of matter? (Yes)Does a liquid have a definite size? (Yes)2) Специальный:What is water in the solid state? (Ice)What is water in the gas state? (Steam)3) С хвостиком:We know water in all three states, don't we?A liquid doesn't keep its own shape, does it?4) Альтернативный: There are three states of matter or four? (Three)We know water in all three states or you know water in all three states?5) К подлежащему:Who knows water in all three states? (We)What has no definite size or shape? (Gas)