问题
选择题
| — Have you finished the book? — No. I've read up to _________ the children discover the secret cave. |
| A. which B. what C. that D. where |
答案
答案：D
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| — Have you finished the book? — No. I've read up to _________ the children discover the secret cave. |
| A. which B. what C. that D. where |
答案：D