Xiao Li had an accident yesterday _____ he is in No.1 People’s Hospital now.
In a green school, everyone agrees to be _______ about the environment.
Neither John nor I _______ good at football. We hope to practice it well.
Lisa was so careless that she made many spelling ________ in her homework.
________ fine weather today! Why not go out for a walk?
The workers will build a new railroad______ the two cities.