20. If the yield of agricultural crops _________ up from 9.8 percent, it would have
been the highest average yield since 1982.
(A)would go
(B)has gone
(C)will go
(D)had gone
IV. Error Correction
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統計: A(14), B(23), C(2), D(96), E(0) #3121898
統計: A(14), B(23), C(2), D(96), E(0) #3121898