问题
选择题
| The singer and ________ dancer plays________ important part in the concert. A. /; an B. the; an C. a; an D. the; / |
答案
答案：A
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| The singer and ________ dancer plays________ important part in the concert. A. /; an B. the; an C. a; an D. the; / |
答案：A
