what we saw proved again that oil and water()mix

what we saw proved again that oil and water()mix We experimented____putting oil and water together,and we saw We experimented ____ putting oil and water together ,and saw Oil and water do not mix. water and oil don not mix Mix和Blend 的区别： 原题：Even if you (mix,blend) oil and water,they what can you observe when we mix blue cold water and red hot We can mix the flour and water.用now改写 It has been proved again and again that whatever the govemen 连词成句 in have we can hold that water the cardboard proved The film was so f that I saw it again and again oil and water will not mix中语法书上说will用在表示自然现象时,但是这类情况不是应该用一般现