Some of you may have finished unit one. _____ , you can go on to unit two.

I like the house in ________ I used to live.

In our city, _______ middle school students want to work as a teacher in the future.

When and where to spend the holiday ____ yet.—Let’s make it now.

Although Huai’an isn’t ____ capital of Jiangsu, it is ___ city with many places of interest.