_Put__ a piece of ice outside in such a hot weather,and you will soon find it melt.
为什么用put不用putting?
祈使句用动词原型,由连接词 and 连接,形成并列句.
这个句子怎么改就用putting?
_Putting__ a piece of ice outside in such a hot weather,you will soon find it melt.
由动名词 (Putting)引导短句,修饰主语 you ,就可以.