31. How did Bill and Jill prepare for their trip to Taiwan?
(A) They learned to speak Chinese.
(B) They prepared a new pair of shoes.
(C) They bought a lot of American food.
(D) They learned to do things the way Taiwanese people do.
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統計: A(1), B(4), C(6), D(19), E(0) #2344572
統計: A(1), B(4), C(6), D(19), E(0) #2344572