29. Products at the factory increased when working conditions were ____________________. (improvement)
30. He ____________________________ many troubles with his family when he was younger.   (experience)
31. You will be taught by a team of well-____________________________________ and experienced staff who utilize their research interests to support their teaching.                                                            (qualify)
32. Barriers between nations are reared by slow and infrequent ________________________.                                                                                                                                                  (communicate)
33. As these communities proliferated, English ___________________________________ became the primary language of international business, banking and diplomacy.                                              (gradual)
34. The public should be educated in how to use energy more ___________________________.      (effective)

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