I should have written to you earlier, but rather busy recently. A. I've been B.
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9.I should have writtento you earlier, but ________ rather busy recently.
| A. I've been | B. I'd been | C. I'm being | D. I were |
试题答案
答案:A
提示:题目考查对情景的准确把握:现在完成时。
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