摘要：The difficulty solving such a problem ten years ago was twice greater than is today. A. it B. that C .as D. what
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The difficulty solving such a problem ten years ago was twice greater than________is today.
|
A．it |
B．that |
C．as |
D．what |
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The difficulty solving such a problem ten years ago was twice greater than________is today.
- A.it
- B.that
- C.as
- D.what
The difficulty solving such a problem ten years ago was twice greater than ________ is today.
A．it B．that C．as D．what
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