---Where shall we go and enjoy ourselves in summer? --- Of course, Qinhuangdao. ________ next to Bohai Sea ________ a coastline of 124 km, it is a perfect place to go in summer.
It's ______ he helped you that I'm ready to help him.
______ you ever have any trouble, let me know.
______, the library was closed.
Tom and Jack went ______ they could find work.
He wrote his first novel ______ studying in a university.