---________ is the population of your city?--- About seven ________.A. What; millionsB. How many; millionsC. What; million
—How does your brother usually go to school? —________ car.
—Mary,does your brother get ________ work by bus? —No,he rides a bike.Sometimes he walks.
—________ does it take to get to school? —Twenty minutes.
—How can I go to your school? —________.
—Jack,do you know ________? —Sorry,I don’t know.