What a hardworking doctor! He _________ has time to play with his son.– That’s true. Even on Sundays he is busy with his work.

The number of foreign students attending Chinese universities ________ rising steadily since1990.

The magazine___________ be Lily’s, for we can find her name on the cover.

Open the window, please. —Certainly. Which one? _____ beside the door?

Excellence is not difficult —simply decide right now to give it your best shot—____you will be amazed with ___ life gives you back.