Beijing a lot in the past ten years. Now it has become one of the biggest modern in the world.

Is Mr. Brown a good teacher—Yes. He is kind ____ us. We love him.

Could I use your computer—Sorry, I will ________ it.

Now then, children, it’s right time you ______

Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.