to be in good health为什么要用to?

to be in good health为什么要用to? To be in good health是什么意思 be good for/to health Every child is s_____ to be in good health. All of us want to be in good health in order to k___ in good health be in good health. "How to keep in good health"是什么意思? If you really want yourself to be in good health,you must___ be in good health造句 选择填空 ()1.He seems ( ) in good health A.is B.be C.to be ()2.S To walk after supper is good for our health这句话对吗?为什么要用to wal