The new traffic rules that took effect on January 1 are much stricter than________in the past.

It’s impossible for all the people to getjobs because of them are notfit for them.

It is selfless ________ the doctor to devote all thetime he had ________ for the patients.

ing to a UN report, clean drinking water and health care are not to 30 percent of the world population.

Many students _________ our age have the same feeling-Growing up is hard.