阿摩線上測驗
19. Not until the early 1800’s, _____________.
(A)globally increasing the corn acreage began
(B)the acreage of corn began to increase globally
(C)did the acreage of corn begin to increase globally
(D)with the beginning of globally increased corn acreage
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統計： A(6), B(45), C(82), D(1), E(0) #3121897
統計： A(6), B(45), C(82), D(1), E(0) #3121897
