— I feel very happy that I _________ to be the host .— Congratulations .
I think ____ not difficult ____ English every morning.
____ is said that ____ tourists visit the Great Wall every day.
Great changes ________ since we entered E-times. And the computer is widely used throughout the world.
He _____ with a pencil. Now a pen _____ by him.
---Bill is a strong-minded boy.---He sure is. He often says nothing can stop him _____ his dream.