—Shall I sit at this end of the boat or the other end? —If you keep still, you can sit at end.
With the mid-term examination approaching, students should ______ to stay energetic.
The new invention made last month would have a variety of _______ in industry.
The boy went in _______ when he left for school that he left his key inside the house.
We all felt a sense of_______when we saw so many overseas Chinese coming back safe and sound from Libya.
The detective, _____ to be reading a newspaper, glanced at the man ______ next to a woman.