You can’t borrow books from the school library ______ you get your student card.
A. before B. if C. while D. as
A small plane crashed into a hillside five miles east of the city, _____all four people on board.
A. killed B. killing C. kills D. to kill
Sally’s never seen a play in the Shanghai Grand Theatre, _______?
A. hasn’t she B. has she C. isn’t she D. is she
Mary went to the box office at lunch time, but all the tickets ____out.
A. would sell B. had sold C. have sold D. was selling
The Great Wall is ____ tourist attraction that millions of people pour in every year.
A. so a well-known B. a so well-known
C. such well-known D. such a well-known
It_____ have been Tom that parked the car here, as he is the only one with a car.
A. may B. can C. must D. should
