( ) 1. Everything comes with_______ price; there is no free lunch in the world.
A. the B. a C. an D. /
( ) 2. Would you like to sleep with the windows_______ or_______?
A. open; close B. opened; closes C. open; closed D. opening; closing
( ) 3. -Here are three books on history. Which one would you like to borrow?
-_______. You see, I'm interested in geography these days.
A. All B. Each C. Both D. None
( ) 4. Tian'anmen Square is one of_______ squares in the world.
A. large B. larger C. largest D. the largest
( ) 5. -Somebody knocked at the door just now.
-Sorry, I didn't hear it. I_______ to the music at that time.
A. listened B. am listening C. was listening D. listen
( ) 6. China is getting stronger and stronger_______ its economy (经济) grows.
A. with B. if C. as D. while
( ) 7. -Why does he look so tired these days?