A person who will travel to a foreign country must carry a .
—I have very good grade in English this time. —_________!
The number of cars on the road is becoming _______ now in our hometown.
Chinese ______by the largest number of people in the world now.
A boy with two dogs ______when the earthquake rocked the city.
—_____you ever _____to the hometown of Hao(郝氏故里)? —Yes, twice.