Directions : There are 20 blanks in the following passage. For each blank there are four choices marked [ A ] , [ B ] , [ C ] and [ D ] on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on Answ er Sheet 2 with a single line through the centre. 3 police work , you can never predict the next crime 2 problem. No working day is 3 to any other , 4 there is no typical day for a police office r. Some days are relatively slow , and the job is 5 ; other days are so 6 that there is no time to ea t. We can 7 police work in one word: 8 Sometimes it's dangerous. One day , 9 , a policeman was working undercover , that is , he was 10 the job , but he was wearing normal clothes , not his police 11 . He was trying to catch some robbers who stole money from people 12 they walked on the stree t. Suddenly , five men 13 out at him , one of 14 had a knife. 15 , they got into figh t. Another policeman arrived , and together the policemen arrested three of the men; but 16 two ran away. Policemen also help people out of difficulty. John once 17 a woman who was going to have a baby when he was 18 patro l. The woman was trying to get to the hospital , but there was a bad traffic jam. John put her in his police car so that they can get there faste r. He thought she was going to have the baby in his ca r. But 19 , the baby waited to 20 until they got to the hospita l.