He __________present at the meeting this morning; he is on a business trip this week.
Buses here are always crowded with passengers, so I prefer _____ there rather than take a bus.
------- Where did you find him? -------It was in the hotel _____ he lived.
The scientist ______ much of his time to increasing the rice production.
The goods are of good _________.
There are two buildings, _______ stands nearly a hundred feet high.