In our life, one question that ____ comes up is:“to be or not to be?”

 Anyone, whether he is an official or a bus driver, should be       respected.

.—Jenny, I've finished my summer school classes.—Well, Chinese is _______ difficult to learn, isn't it?—It seemed that _______ at first. But after a while it starts to get easier. I got an A in the exam.

—Do you think our teacher is　　　　？—Yes， he always corrects our homework and prepares his lessons　　　　. 

 The students are ___ young people between the ages at between the age of sixteen and twenty.