题目内容
句型转换
We should base our theory on facts.
Theory ________ ________ ________ ________ facts.
We can easily get from the computer all that has been stored in it.
We can easily get from the computer ________ has been stored in it.
We don't think that music is only sound.
We think that music is ________ ________ just sound.
We all call him lucky dog.
He was ________ lucky dog.
We ate great meals cooked by experts．
We ate great meals ________ ________ ________ by experts．
