问题
选择题
| The doctor tried to find out ______ that had caused the spread of the terrible disease. |
A. what it was B. why it was C. whatever was D. however was |
答案
答案：A
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| The doctor tried to find out ______ that had caused the spread of the terrible disease. |
A. what it was B. why it was C. whatever was D. however was |
答案：A