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题目内容双击单词支持查询和收藏哦～
The singer did not perform at full volume during the opera's opening act, but that may have been because she was________ her voice for the two difficult and lengthy subsequent acts.
- A.straining
- B.husbanding
- C.abdicating
- D.exploiting
- E.brandishing
B显示答案
以上解析由 考满分老师提供。
