A giant helium(º¤) balloon is telling residents of Paris how good or bad the air quality is. When it¡¯s good, the balloon ----measuring 22 meters wide and 32 meters high---shines green. _________, it¡¯s red.
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I won¡¯t see the film tonight. I am busy. ____ , it is raining cats and dogs. 
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It¡¯s natural that I didn¡¯t recognize her immediately I saw her. _______, it¡¯s almost 5 years since we met last.
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Mother went shopping; __________, I cleaned the house.
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He doesn¡¯t have interest in cooking£®__________, he¡¯s getting tired of it£®
A£®On the contraryB£®On the one hand
C£®On the other handD£®On the whole

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The student did not catch the last bus, _______, it began to rain cats and dogs.
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¡ªWhat¡¯s the matter with you, Tom?
¡ª______ the ladder, one of arms has been broken.
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C£®To climbD£®While I was climbing

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Modern science and technology has _____ communication between people far apart.
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C£®made it convenient forD£®made it convenient to

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With his son _____ , the old man felt unhappy.
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C£®disappointingD£®being disappointed

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