第三节完形填空（共20小题，计分30分）
阅读下面短文，掌握其大意，然后从21￣40各题所给的四个选项中，选出一个最佳答案。
Louise was 72 years old and she lived by herself．The first thing she noticed when she came downstairs that Sunday morning was that her  21  window was open. In fact，it was so wide open that she had  22  closing it．Then she realized that things were not in their proper    23 ．Finally，when she found her empty  24  on the kitchen table，she realized the awful   25 ．At first, she didn’t know what to do．Then she decided to  26  her son，Derek．
Derek’s wife Sybil answered the phone，“It's your mother，”she  27   him coldly．Louise told Derek about the open window，about things being in the wrong places and about the  28  missing from her purse．
“All right，”said Derek，“Don’t  29  anything．I'll be  30  in half an hour.”
Louise  31   and made herself a pot of tea and some toast．Then she went from room to room wondering  32  anything else was missing．
When Derek arrived，he was content to  33  her looking so calm．“Have you rung the  34    ?”he asked.“No? Then I’ll do that straight away．”So he rang the police．
As it was Sunday，  35  the only detectives were out．However，the police were polite，but vague(含糊的)．“We’ll send  36  round as soon as possible，”they said.
Derek telephoned his wife．“I'm not sure when I'll be home，love．”he told her,“I’ve got to  37  for the police．”While Derek and his mother waited，Derek  38  the catches(挂钩) on the windows and locks on the doors．All of them were old and some of the catches hardly  39  at all．Derek felt   40 ．His mother was an old woman，after all．“I'll have to change all these，”he told her．
21．A．kitchen  　　  B．bedroom  　 C．washroom　　　   D．bathroom
22．A．strength  　　 B．trouble  　　 C．reason 　　　　   D．puzzle
23．A．positions  　　B．situations  　 C．directions 　　    D．Places
24．A．purse          B．vase          C．pot              D．envelope
25．A．mistake        B．message       C．news             D．truth
26．A．visit           B．ask           C．ring             D．punish
27．A．invited         B．informed      C．stated                  D．scolded
28．A．money         B．coin          C．note             D．bill
29．A．say            B．move         C．touch            D．prepare
30．A．round          B．here          C．off               D．away
31．A．sighed         B．relaxed        C．whispered         D．hurried
32．A．how           B．why          C．if                D．where
33．A．realize         B．find          C．know            D．sense
34．A．hospital        B．neighbour      C．police             D．friend
35．A．generally       B．luckily        C．considerably        D．unfortunately
36．A．someone       B．anyone         C．everyone           D．none
37．A．hope          B．ask            C．wait               D．call
38．A．tested         B．repaired         C．fixed              D．examined
39．A．locked        B．worked          C．helped             D．opened
40．A．excited        B．silly            C．worried            D．guilty