Thanks to the application of new farming
题型:选择题
问题:
Thanks to the application of new farming methods, output is now six times _____ it was before 2000.[ ]
A. that
B. what
C. which
D. how
Thanks to the application of new farming methods, output is now six times _____ it was before 2000.[ ]
A. that
B. what
C. which
D. how