问题
选择题
| Going on a trip into _____ space must be quite _____ exciting experience. A. / ; the B. the; the C. the; an D. / ; an |
答案
答案：D
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| Going on a trip into _____ space must be quite _____ exciting experience. A. / ; the B. the; the C. the; an D. / ; an |
答案：D
