To get a good view of the scenery in China, Lucy would spend a lot of time on the train _________ travel by air.
He _____ up the car, hoping to arrive home before dark.
I have worked with children before, so I know what ______ in my new job.
Though _______ money, his parents managed to send him to university.
The deadly accident _____ his careless driving.
When ______ how old he was, he kept silent.