我国是一个传统农业大国,多少年来,人们一直视土地如生命,想方设法扩大耕地面积,为此不惜围湖开荒、毁林造田,付出了沉重代价。人们围湖开荒、毁林造田,使生态平衡遭到破坏,人们为此付出了沉重代价。这说明
May I______ your English-Chinese dictionary? ----Sorry, I ______ it at home.
Many people do not realize the importance of health ______they have fallen ill.
They go out of their way _______at home.
Without_______a word, the man left in a hurry.
I will call you as soon as he _______here tomorrow.