Dick made a phone call to his wife, ________ was certain about where the car key was.
Taiwan is ___ island, it is ___ large island of China.
____ knowledge is better than ___ wealth.
I enjoy living in ___ room, ___ window of which opens to ___ south.
It’s ___ time that he has failed in the experiment.However, he has made up his mind to try ___ time next week.
____ lies in North America.