We experimented____putting oil and water together,and we saw that they didn't mix
问题描述：
We experimented____putting oil and water together,and we saw that they didn't mix
A with Bat Cby Dfor 我选的是第一个,不过我觉得选什么都一样啊,有什么固定搭配可言的吗,讲讲
答
固定搭配,做什么实验用介词with例如：They experimented with new reagents and succeeded.他们用新试剂做了试验,获得了成功.They experimented with several different models but in the end concluded that the n...