问题
选择题
They have saved 90 people, _____ last year. [ ]
A. twice of many
B. twice as many as
C. twice more
D. twice as much as
答案
答案：B
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They have saved 90 people, _____ last year. [ ]
A. twice of many
B. twice as many as
C. twice more
D. twice as much as
答案：B
().