— You ought to have made an apology to your English teacher
| — You ought to have made an apology to your English teacher last Sunday. — Yes, I know I ____. |
| [ ] |
| A. ought to B. have to C. should have D. must have |
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已知向量AP 向量AQ=d向量QP,怎么用向量AP表示向量AQ
1年前1个回答
你能帮帮他们吗