David is new here, so we know __________ about him.A. something B. nothing C. anything
________ a walk is good for your health.
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.