—Do you know the tall man ______ to Mr King over there?—Sorry, I don’t know him.
Can you show me a case ____ the professor mentioned yesterday?
“Never for a second,” the boy says, “____ that my father would come to my rescue.”
_____________ the sun for too much time will do great harm to your skin.
You should study the details of the policy________ before you sign it.
Trees are good for man. We can’t plant them ______ many.