问题
选择题
| ─Could I use your computer? ─Sorry. I am _____ it. |
A. taking out B. turning on C. working on D. depending on |
答案
答案：C
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| ─Could I use your computer? ─Sorry. I am _____ it. |
A. taking out B. turning on C. working on D. depending on |
答案：C