Using this kind of hybrid, farmers are p
题型：选择题
问题：
Using this kind of hybrid, farmers are producing harvests _____ before. [ ]
A. twice as many as
B. twice as large as
C. as twice large as
D. as twice many as
Using this kind of hybrid, farmers are producing harvests _____ before. [ ]
A. twice as many as
B. twice as large as
C. as twice large as
D. as twice many as