题目内容
The output of the gold mine is now four times _____ it was before liberation.
| A．that | B．what | C．which | D．than |
B
考查倍数表达方式。倍数表达方式有 A is four time as big as B="A" is four times the size of B="A" is three times bigger than B="A" is four times what B is.对照结构，选择B
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