________ is known to us a11 is that the Diaoyu islands have been part of our Chinese territory since ancient times.

Which of the two cameras are yougoing to buy—I’ll buyofthem，so I can giveone to my friend．

_______ his foot wounded so seriously, he had to give up this basketball game.

y had a lot of parties recently— Yes, that might whyhe didn’t do well on the test

Before the hostess _____ the winner, she asked the audience to calm down. [ ]