We must note that many people ____ the knowledge of first aid. [ ]

mous reporter, who is said to have gone back toAmerica last year, _____in China for almost twenty years

My father used to _________ up late， but now he is used to _________ up early.

Where is Darning—He ________ the teacher’s office. He’ll be back soon.

Though ____ money, his parents still managed to send him to university. [ ]