问题
选择题
| —I don't know _____ Mr. Green will come to see us. —He will help us with our English. |
A. why B. when C. how D. where |
答案
答案：A
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| —I don't know _____ Mr. Green will come to see us. —He will help us with our English. |
A. why B. when C. how D. where |
答案：A