题目内容：

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Sometimes, people are required to fill in personal information when they register online, which may lead to some   _________ trouble. Recently, the BBC is reporting that a 17-year-old girl in Australia posted a(n) _________ of her grandmother at home counting a large sum of cash that she _________hidden in the house. Just eight hours later, two armed men _________ the girl’s house. They demanded to speak to her to find out where the grandmother’s house was,  _________ they could get the money they had seen.   _________ , the girl was not home at the time, so the robbers _________ a small amount of cash from the mother and left.

Because the _________ is still under _________, local police aren’t saying much else about it. It’s not known yet whether the girl had used privacy setting on the Facebook profile page, and even whether the robbers _________ the girl in the past.

Two other _________ were at home then, a 58-year-old man and a 14-year-old boy, the girl’s father and brother. Luckily, no one was _________ . The robbers left peacefully after  _________ that the girl was not home and that no one else there knew anything about the   _________ that had appeared in the photo.

Police in both Britain and Australia are using the case to _________ citizens of the dangers of posting personal information on social networks and to suggest users of websites _________ doing so. The police say it is _________  that the girl posted a comment in the past that gave clues to the address,  _________ that the robbers knew the girl in another way. _________ , they suggest, a posting by a friend on their site could have    _________ such information. To find it, the robbers would only have had to search for those posting on other pages that contained the girl’s name.

1.A. clear       B. known            C. unexpected     D. cautious

2.A. picture    B. story          C. blog            D. video

3.A. got         B. made           C. let             D. kept

4.A. knocked at  B. looked at       C. ran into       D. broke into

5.A. even if      B. in case          C. so that         D. as soon as

6.A. Usually     B. Suddenly        C. Fortunately     D. Finally

7.A. spent        B. took             C. left            D. asked

8.A. family       B. case             C. robber          D. girl

9.A. investigation B. consideration   C. control         D. discussion

10.A. ignored     B. remembered      C. followed       D. knew

11.A. neighbors  B. adults          C. characters      D. members

12.A. killed      B. escaped          C. harmed         D. buried

13.A. showing     B. realizing       C. discovering     D. recognizing

14.A. house      B. cash             C. grandmother    D. website

15.A. warn       B. accuse          C. rob            D. inform

16.A. stop        B. consider        C. keep           D. enjoy

17.A. possible    B. important       C. necessary       D. strange

18.A. so          B. or              C. and             D. but

19.A. Therefore   B. However         C. Besides         D. Instead

20.A. taken up   B. set up           C. put away        D. given away