If you are traveling_______the customs are really foreign to your own, please do as the Romans do.
| A．in which | B．what |
| C．when | D．where |
Buses here are always crowded with passengers, so I prefer _____ there rather than take a bus.
| A．cycle | B．cycling | C．to cycle | D．being cycled |
------- Where did you find him?
-------It was in the hotel _____ he lived.
| A．that | B．where | C．which | D．what |
The scientist ______ much of his time to increasing the rice production.
| A．spent | B．offered | C．devoted | D．paid |
The goods are of good _________.
| A．quantity | B．qualities | C．quality | D．quantities |
There are two buildings, _______ stands nearly a hundred feet high.
| A．the larger | B．the larger of them |
| C．the larger of which | D．the larger one that |