Canada is a country _______ many different nationalities as well as one with foreign immigrants _______ the majority of its population.

I’d like to see you off at the airport. Could you tell me _____

Most of the evidence was destroyed in the fire ______, it would be almost impossible to prove Jim guilty

Do you know who ____ the tomb of Emperor Qin and who ___ the mobile phone—No, but we may ask our teacher.

_______ tourists visit the Great Wall every day.