问题
选择题
| —Shall we go out for a swim? —Sorry, I can't. I ______ housework for my mother now. |
| A. am doing B. is doing C. are doing D. did |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| —Shall we go out for a swim? —Sorry, I can't. I ______ housework for my mother now. |
| A. am doing B. is doing C. are doing D. did |
答案：A