hinese saying goes, a mountain ______ be too high or an ocean too deep. Therefore, there is no end to our self-improvement.

Would you please give me____bread I’m hungry(饿).–Sorry, I don’t have _____.

I am a teacher and I _____ in this school for5 years.

Amanda, you look tired today. What’s wrong—I worked______ late ______ I didn’t go to bed untilmidnight yesterday.

Her __________ wealth is in fact a very small sum.