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We have produced twice as much steel this year______ 4 years ago.A、than we didB
We have produced twice as much steel this year______ 4 years ago.A、than we didB
游客
2023-09-18
42
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问题
We have produced twice as much steel this year______ 4 years ago.
选项
A、than we did
B、as we did
C、than we have produced
D、as we have produced
答案
B
解析
如果句中出现形容词或副词的比较级,后面与之对应的是than;如果句中出现的是as和形容词或副词的原形,后面一定有另一个as与之对应,并且,后面as从句的时间状语是表示过去的,所以动词用一般过去时,故选B。
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