Legend has ______ that CaoCao, King of Wei kingdom in the Three Kingdoms period, built 72 tombs to confuse tomb diggers.

  A. it                 B. this                 C. them             D. itself

 It is high time we ______ awareness of environmental protection.

  A. promoted        B. would promote      C. shall promote  D. had promoted

 How can they learn anything useful ______ they spend all their spare time playing online games?

  A. while           B. unless             C. although      D. when

 ______ is it that metals plays such an important part in our daily life?

  A. Why            B. What                 C. Where        D. When

 He is strict and kind-hearted teacher, ______ the children respect but are a bit afraid of.

  A. which           B. that              C. one which      D. one whom

 They have the right to check ______ the will is valid(有效的), of course.

  A. whether         B. why              C. when          D. how

 I am arranging for Mr. Smith, one of our inspectors, to come and ______the damage caused to the building.

  A. attempt            B. assess           C. accuse       D. appear

 Sometimes you just have to ______ disagreements. And making compromises is an important skill needed in your future.

  A. live up to        B. live with          C. live on        D. live by

 One of the skaters talented enough to stop her is Asada, who _____ against her since they were junior skaters.

  A. would compete                      B. is competing        

C. has been competing                     D. is being competed

 Britain announced tighter security measures this week, with plans ______ full-body scanners at Heathrow airport within three weeks.

  A. to use             B. to be using      C. being used           D. having used