问题
选择题
| —Dad, shall we go out and wash your car? —______ you ______ your room yet? |
A. Do; clean B. Are; cleaning C. Did; clean D. Have; cleaned |
答案
答案：D
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| —Dad, shall we go out and wash your car? —______ you ______ your room yet? |
A. Do; clean B. Are; cleaning C. Did; clean D. Have; cleaned |
答案：D