— ______ do you go to the gym? — Once a week.
The policeman asked the driver _______.
—Let’s read the report on India’s population in the newspaper.—Wow! ______________ large the population is !
—Joan’s been to Beijing . What about Jack ? —_______
—Hey, Jack. Waste paper mustn’t ________ here.—Sorry, I won’t do that again.
—How long has Henry’s father_______?—About two months.