问题
选择题
| It was not until dark ______ he found ______ he thought was the correct way to solve the problem. |
A. that; what B. that; that C. when; what D. when; that |
答案
答案：A
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| It was not until dark ______ he found ______ he thought was the correct way to solve the problem. |
A. that; what B. that; that C. when; what D. when; that |
答案：A