Rather than _______ on a crowded bus, he always prefers________　a bicycle．

Little Jerry was interested in stories about outer space exploration, so he gave all his pocket money to his brother ________ the novel based on such a story.

On his way to the airport, it ________ him all of a sudden that he had forgotten her birthday. [ ]

________ us calmly together, our captainmade an announcement__________ we must save essential supplies before the daybroke.

25. — We could have walked to thestation. It was so near.— Yes. A taxi ____ at all necessary.