用适当的关系词填空
（1）I borrowed the book SherlockHolmes from the library last week，________my classmates recommended to me.
（2）English is a language shared by several diverse  cultures，each of________uses it differently.
（3）John invited about 40 people to his wedding，most of________are family members.
（4）“You can’t judge a book by its cover，” ________the old saying goes.
（5）Until now，we have raised 50,000 pounds for the poor children，________is quite unexpected.
（6）Mr Smith，________foot was badly hurt，was quickly sent to the local hospital.
（7）We live in an age________more information is available with greater ease than ever before.
（8）The girl arranged to have piano lessons at the training centre with her sister________she would stay for an hour.
（9）The reason ________all people present are opposed to the project is that it will cause much pollution.
（10）—What else do you want to say for yourselves?
—Well，there is one point________we must insist on.
（11）They have reached the point ________they have to  separate with each other.
（12）I’ll never forget the days ________we studied in the university.