She’ll never forget her stay there ______ she found her son who had gone missing two years before.

_______ you keep on practicing English, I’m sure you will be able to speak it fluently.

Do you know ____ John is getting on well with his studies?

All the parents in Mianyang admire Nanshan Middle School         the teachers are treating their students like friends.

There’s a feeling in me __________ we’ll never know what a UFO is – not ever.

His parents were teachers in that school, _______ lost their lives in order to save
their students in the earthquake.  

______ he referred to in his article was unknown to the general reader.

Pop music is such an important part of society ______ it has even influenced our language.

Bears often hide themselves in places     can’t be found by hunters．

The reason       he is late is    there was a breakdown on the railway．