—I lost my MP3 on my way to school this morning. —____ You must be careful next time.
---I’ll try harder next time. ---You have said it one hundred times. But _____.
---Boys, don’t swim in the Fengcheng River! ---Why not? Isn’t it deep enough _____?
Whether we will hold the sports meet _____ the weather.
If we don’t save energy, it _____ some day.
English _____in many countries, but Chinese _____their own language.