The output of the gold mine is now four times _____ it was before liberation.A．t_刷题宝

题干

The output of the gold mine is now four times _____ it was before liberation.

A．that

B．what

C．which

D．than

上一题下一题 0.85难度单项选择更新时间:2012-06-04 01:38:51

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