I don’t think I can understand this book. The subject it deals with is not familiar ______ me.

Children who are spoiled by their parents are more _____ than others —they are more likely to fight with their fellows for toys and candies.

On the __________ first day, our teacher told us that it was vital that we __________ notes in English class.

—What do you think about smoking?—Well，just as someone puts ________，smoking kills.

There’s no ________ from my bedroom window except for some factory chimneys.