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　　On Thursday afternoon Mrs. Clarke dressed for going out, took her handbag with her money and her key init, pulledthe door behind her to lock it and went to the over 60s Club. Shealways went there on Thursdays. It was a nice outing for an old woman who lived alone. At six o’clock she came home, let herself in and at once smelt cigarette smoke. Cigarette smoke in her house? How? Had someone got in?
　　She checked the back door and the windows. All were locked or fastened, as usual. There was no sign of forced entry. Over a cup of tea she wondered whether someone might have a key that fitted her front door “a master key” perhaps. Soshe stayed at home the followingThursday. Nothing happened. Was anyone watching her movements? On the Thursday after that she went out at her usual time, dressed as usual, but she didn’t go to theclub. Instead she took a short cut homeagain, letting herself in through her garden and the back door. Shesettled down to wait. It was just after four o’clock when the front door bell rang. Mrs.
　　Clarke was making a cup of tea at the time. The bell rang again, and then she heard her letter box being pushed open. With the kettle of boiling water in her hand, she moved quietly towards the front door. A long piece of wire appeared through the letter box, and then a hand. The wire turned and caught around the knob on the door lock. 　　
　　Mrs. Clarke raised the kettle and poured the water over the hand. There was a shout outside, and the skin seemed to drop off the fingers like a glove. The wire fell to the floor, the hand was pulledback, andMrs. Clarke heard the sound of running feet.
　　1. Mrs. Clarkelooked forward to Thursday because ____.　
　　A. sheworked at a club on Thursday
　　B. she had visitors on Thursday　
　　C. she visited a club on Thursday
　　D. a special visitor came on Thursday　
　　2. Ifsomeone had made a forced entry____.　
　　A. Mrs. Clarkewould have found a broken door or window　
　　B. he or she was still in the house　
　　C. things would have been thrown about　
　　D. he or she would have needed a master key　
　　3. Onthe third ThursdayMrs. Clarke went out ____.　
　　A. because she didn’t want to miss the club again
　　B. to see if the thief was hanging about outside　
　　C. to the club but then changed her mind
　　D. in an attempt to trick the thief　
　　4. Thelock on the front door was one which____.　
　　A. neededa piece of wire to open it
　　B. could be opened from outside without a key　
　　C. couldn’t be opened without a key
　　D. used a knob instead of a key　
　　5. Thewire fell to the floor____.　
　　A. becauseMrs. Clarkerefused to open the door
　　B. hen the man’s glove dropped off　
　　C. because it was too hot to hold
　　D. because the man just wanted to get away