Metal ____________ it.(you/heat/melts/if)

If you heat metal, it melts是什么句型 不是说i f 从句是主将从现的用法吗?但是：If you heat the ice ,it melts.这个句子又是怎么 if you heat ice,It If you (heat) the ice,it becomes water soon 请在空中填出heat的适当形式, Honesty is like an icicle; if once it melts that is the end I don't mind if you heat me.It doesn't matter at all.I'm not If you still live in my heat upon next life 求IF YOU CAN'T STAND THE HEAT福华同人! 求 福华 文 IF YOU CAN'T STAND THE HEAT. If you feel tired,you may stop ____________. you should heat the water ,or it will--------.(frozen) Ask him to ring me up if you ____________ him.