The country’s population     small, and most of its population      in the mountainous areas.

William, as well as his friends，________invited to my birthday party the day before yesterday.

Linda with his father often _________ the zoo to see the animal.

—I called you at 5:00 yesterday afternoon, but no one answered.—Sorry, I with my parents ________ at that time.

The number of students in class ten        sixty-six, and a large number of them        Jay Zhou.