配置ph5的缓冲溶液:8,_____! There is a train coming.Alook up Blook out Clookinto Dlook forward to
来源:百度文库 编辑:中科新闻网 时间:2024/05/17 00:10:45
解释一下原因
look out 小心
be careful也是小心的意思
look out
没有什么原因,固定搭配,记住就行了,有小心的意思。
Look
8,_____! There is a train coming.Alook up Blook out Clookinto Dlook forward to
There is a name for _____ Chinese year.
there is a hero
There is a dog _____(die) on the groud.填dead还是dying?
There _____ a pair of skates on the floor.次句用is 还是are?
There is a library _____ students often go to read newspapers
Outside my office window, there is a fire _____ on the right
There is _____ sheep on the mountain
where,there is a will there is a way
there is a will,there is a way.