A:He has to kill the fatted calf.
B:He has feet of clay.
C:He must be the apple of his parents’ eye.
D:He must be the salt of the earth.
可再生资源是指____的自然资源,非可再生资源是指____。
将下列句子改为陈述句。
①你怎么能这样做?
②春天一到,冰不就化开了吗?