未分类题
The output of television sets has______in the past five years.
A．more than doubled
B．more than double
C．as many as double
D．as much as double
A.
A．more
B.more
C.as
D.as
【参考答案】
A
这里的double是不及物动词，表示“增加一倍”(或“是原来的两倍”)。Hasdoubled“已增加了一倍”......
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