this food is easy to digest,能否说this food to digest is easy.为

this food is easy to digest,能否说this food to digest is easy.为 This house is easy to keep clean. This machine is very easy to 为什么This pen is easy to write with.可以变成This is an easy pen to what is this machine( )-To make food. This machine is ______(easy to undrestand) to ues. Cattle’s two ____ help them to digest food and their fur to this is an easy This exercise is easy to do.(改为复数形式) This question is easy to answer. 问不定式用法? This question is easy (e ) for me to answer This work is easy enough to him do