Beijing is ___ capital of Chian, ___ everybody knows.
We all joined the game______ Bill because he was hurt and had to stay in bed.
You won’t discover the truth ______ you look into the matter yourself.
Only by learning more about different cultures _______ avoid misunderstanding during international cooperation.
The fans never expected their favourite team, which owns so many excellent players, ________have been defeated in the first round!
_______ is well known is ________ the Diaoyu Islands have been part of China since ancient times.