Chinese is becoming more and more popular. It ________ in many schools in foreign countries.

---Excuse me. Where is Lily? ---Oh, she _______ the volleyball match on the playground when I saw him just now.  

Thanks to our school program The same song , we ___________ about ten songs by the end of last month.

There ________ elephants if we don’t protect them now.

My aunt left her office after she __________ her work.