配置ph5的缓冲溶液:8,_____! There is a train coming.Alook up Blook out Clookinto Dlook forward to

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.