11.It was there, the police believe, ___C_____ she was able to activate the recorder she kept in her bag.
A. until B. which C. that D. when
12.Our space and time laws don't seem __C_____ objects in the area of a black hole.
A. apply to B. apply for
C.to be applied toD. to be applied for
13．It isn’t what you know ___B___ matters, but who you know. 　
A．whichB．that C．whoD．why
14．Robots are programmed to __A____ many jobs without human intervention. 　
A．take on B．take upC．take over D．take in
15. ____C____ their differences, they fell passionately in love with each other.
A. As for B. Owing to C. DespiteD. Through
16. Ten minutes earlier, and you __B___ the last bus.
A. should have caughtB. must have caught
C. need have caught D. could catch
17.The book is well-written ___D____ too many difficult new words.
A. except B. except thatC. besides D. except for
18._____C___ yourself to the job in hand, and you'll soon finish it.
A. Reply B. Imply C. Apply D. Supply
19．Euthanasia doesn’t take into __A____ that there are ways of caring for the dying. 　
A．account B．amountC．access D．attention
20. It is ___B___ easier to improvevise a song than it is to improvise a symphony.
A. more B. muchC. less D. little