The size of the generation gap seems to be spreading with ____ rapid changes in technology, in education, in transportation and in communication that are taking place all over ____ globe.
The international agreement, __________to help people kick off the habit of smoking, was signed two years ago.
The fact has worried the people across the world ___________ the earth is becoming warmer and warmer these years.
A college student had stayed up all night, _______ for his test the next day.
–Guess what! Alice has failed in the exam.– ____? She is second to none in English in our class.
We firmly believe that war never settles anything.It only violence.