—How do you do? — A. How are you? B.thanks C. How do you do?
This tall building has _______ floors. And Tony lives on the ______ floor.
My bicycle doesn’t work. I’ll ask Uncle Wang __________.
—— Would you like ________ camping with me ?—— I’d like to. But I’m busy ______ my homework.
—— How does Jack usually go to school?—— He ________ ride a bike, but now he is used to ______ there.
You should _______ the bus when it stops.