The biggest problem was that thousands of travelers remained _____ outside because of the floods.
Tsinghua University, ______ in 1911, is home a great number of outstanding figures.
It was three months later _____ he completed the job with difficulty.
He is rather difficult to make friends with, but his friendship, _____ is more true than anyone else’s.
______ and you will be admitted into your desired university.
— Can I speak to _____ is in charge of the company? — Hold on, please.