What’ s the weather like? — Oh， it outside. Take an umbrella with you.

People now can know what is happening in the world quickly.—You’re right.With the help of computers，news can ___every corner of the world.

_______ a teacher, I think I should teach the students not only how to learn but also how to be a man. [ ]

I like the little girl, so I tried to help ______.

Now the air in our city is _______ than it used to be. Something must be done to stop it.