There was fire b_ in the forest.是不是填burnThere was fire b_ in the forest.是不是填burning?
问题描述:
There was fire b_ in the forest.是不是填burn
There was fire b_ in the forest.是不是填burning?
答
There was fire b_ in the forest.是不是填burn
There was fire b_ in the forest.是不是填burning?