ense, no country, big or small, should object tothe trend of peace and development, ______ creating trouble to others.

Most of the students in our city go to school by ______ [baik].

What a heavy rain!– I think our headmaster will have to the sports meeting because of it.

oday, poverty is still a big problemin the United States, ______ more than 10 percent of the whole population.

The doctor urged people who smoke to ______ the habit.