练习：
1.The public are still interested in the investigation because______.
A) of the terrible murder
B) of the use of new DNA techniques
C) Lord Lucan has never been found
D) Loard Lucan was famous
2.It is thought that Lucan killed the nanny because______.
A) she was looking after the children
B) she was a friend of Lucan's
C) it was dark and he thought she was Lady Lucan
D) Loard Lucan thought the nanny stole his car
3.Aspinall thought Lucan killed himself by______.
A) jumping into water
B) jumping out of his house
C) sailing his boat
D) sinking his boat
4.Lucan could have been killed because people ______.
A) didn't want the police to catch him
B) thought he might talk to the police about them if he was caught
C) were unhappy with him
D) thought he was rich
5.Ex-detective MacLaughlin claimed that Mr Barry Haplin ______.
A) was an old schoolteacher
B) died in Goa,India
C) was really Lord Lucan in disguise
D) was a merchant