1·There was a fire burning in the fireplace.
壁炉里有火正燃着。
—— 《柯林斯英汉双解大词典》
2·We had the fire burning a day.
我们使火烧了一天。
3·They had the fire burning all day.
他们让火烧了一天。
4·Keep the fire burning.
让火一直烧着。
5·He kept the fire burning to keep warm.
为了保暖，他让火一直烧着。
6·We kept the fire burning all the time.
我们使火一直燃烧着。
7·We had the fire burning all night long.
我们让火炉燃烧了一整夜。
8·Add some wood to keep the fire burning.
添一些木材使火继续燃起来。
9·We kept the fire burning all night long.
我们使火整夜燃烧着。
10·Topic: The fire burning in the fireplace.
主题：火在壁炉中燃烧。