问题
选择题
| —Alan, come here. I need your help. —Sorry, Dad. I ________ the dishes now. |
A. do B. did C. am doing D. was doing |
答案
答案：C
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| —Alan, come here. I need your help. —Sorry, Dad. I ________ the dishes now. |
A. do B. did C. am doing D. was doing |
答案：C