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21. It is ______ that he has to ask for help. A. so a big job B. a so big job C. a such big job D. such a big job 22. It seems good ______, but it doesn’t work ______. A. in practice ; in theory B. in theory; in practice C. theoretical; practical D. for theory; for practice 23. Einstein was the first to show ______ how the energy of the atom might be released. A. in theory B. in advance C. in general D. in particular 24. I ______ his views, although I do not agree with him. A. respect B. respect for C. respecting D. respected 25. We should ______ the elders and teachers. A. show many respects to B. show respects for C. show a respect to D. show much respect for 26. Don’t use words, expressions, or phrases ______ only to people with specific knowledge. A. being known B. having been known C. to be known D. known 27. ______ production up by 60%, the company has had another excellent year. A. As | 
