问题
选择题
| He ____ to come today, but he didn't keep his ____. |
A. promise; promise B. promised; promised C. has promised; promise D. promised; promise |
答案
答案：D
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| He ____ to come today, but he didn't keep his ____. |
A. promise; promise B. promised; promised C. has promised; promise D. promised; promise |
答案：D