When heated,the coal gives off heavy smoke,__it difficult fo

1.The sun gives off __________and light. 翻译Water,when boiled,always gives off steam谢谢 So difficult __it to work out the problem that i decided to They melt when heated.When heated在这里是什么用法? don't smoke until the piane ____ off. Don't you smoke until the plane __ off. when you come out fo the station what heavy smoke it is The sun ___lots of light and heat.A.gives off B.takes off C. The smoke in the room is very heavy.There is ()()()()in the When solid,liquid and gas are heated,the motion of particles 求批改作文~when talked about the heated question whether living i