问题
选择题
| He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise us for it. |
A. which; what B. that; that C. that; what D. what; that |
答案
答案：B
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| He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise us for it. |
A. which; what B. that; that C. that; what D. what; that |
答案：B