問題詳情：
71. Many scientists made great _______________ (contribute) to the development of society.
72. Travel gives us the chance to ______________away from daily routine and experience something new.
73. __________from the construction mentioned above, you have also learned the following phrases.
Hui was ____________(expose) to cholera but luckily she did not become ill.
country is like a big family,__________(consist)of 56 nations.
【回答】
ributions k t sed isting
知識點：語法填空
題型：未分類
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