Eddie is eight years old， but we have seven candles only， we need ________ candle.

When and where _______ we meet—Let’s make it 3:00 at my home.

They urged the students _______ the work on time.

____children who lost their homes in Sichuan province ____sent to study in other cities.

Nowadays Wechat is____used by people for communicating, sharing, chatting, and so on.