I like getting up very early in summer. The morning air is so good _________.
I will never know what was on his mind at the time, nor will ________.
When Kerry and Sam met again two years later, each was pleased to see ________.
There is a subway in my hometown, but ________ existed two years ago.
I prefer a house in beautiful surroundings in the countryside to ________ in such a noisy street in Shanghai.
He is so young and short a man that I think he is ________ but a professor of Northwest University.