The playground is behind the sports hall.We can say the sports hall is ___ the playground.
—There was thick haze(雾霾)in our city this spring. What do you think of it? —I think __ cars we drive, __ pollution our city will have.
— ____ does he learn English? —He learns ____ watching English movies.
— Jim, remember to return this book by Friday. — ________.
— Excuse me, can I interview Mr White? — A moment, please. Let me check ________.
If you watch carefully, you can see ________ the man does the trick with the cards.