—Do you know_______?—Sorry, I don’t know.A. how old is he B. how old he is C. how old does he
Jackson _______ school two years ago and he _______ for two years.
—_______ is the population of Brazil? —It’s 184 _______.
The food in my hometown is more delicious than _______ in the city.
I used to _______ my dream. But now I get used to _______ doing everything. I’m successful at last.
Miss Gao has taught us English _______ two years. She has been here _______ five years ago.