There is ________ elephant in the picture.
----Do you know Robert?----Yes, He is ________ university student. He likes sports and runs for ___________ hour every morning.
Thank you for me to join you.
Math is not easy, I like it very much.
My parents are so poor that they can not to send me to school.
—I lost my watch on my way to school this morning. — You must be careful next time.