. Be careful when you cross this very busy street. If not, you may _______ run over by a car.
gtogether, my father and I used to have a lot of conversations I__________learned lessons from his experience
I ______ to music when my father came in.
单词hospital 由 个音节构成,它的重音符号在第 个音节上。
Could you please tell me _____— About twenty minutes ago.