They have produced they did last year.
题型:选择题
问题:
They have produced they did last year.
A.twice more grain as
B.twice as much grain as
C.twice as many grain as
D.as twice many grain as
They have produced they did last year.
A.twice more grain as
B.twice as much grain as
C.twice as many grain as
D.as twice many grain as