Once upon a time, there wasa Muslim doctor called Omar. Always __31__ himself to __31__ patients, Omar was well-known for his good deeds. One day, the king of Mocha sent for Omar to the palace because the princess __32__. Upon arriving at the palace, Omar began to treat the princess for her __33__disease. To everybody’s relief, the princess got well soon. However, the king flew into a rage because Omar had stayed in the princess’s chamber through the night. He ordered Omar to leave his kingdom for good.  Omar, __34__ the king’s order, __34__ Mocha and wandered the wilderness. Unable to find any food one day, he fell down under a tree. At that moment, something caught his eye when he almost starved to death—it was a bird. After it ate some red beans he had never seen before, it seemed to chirp loudly again. __35__, Omar collected some of these beans, boiled them with water, and drank it. Surprisingly, he regained his strength soon. The magic bean was thus used as a type of medicine by Omar.  With the passing of time, Omar remained __36__. However, when Omar heard the news that another strange disease hit Mocha, he went to their aid and had people there __37__ the water boiled with the magic bean. The sufferers got well, and Omar was welcomed back to Mocha as a result. This is just how the coffee been is said __38__.
【題組】31.
(A) devoting / treating
(B) devoted / treat
(C) to devote / treating
(D) devote / treat