2. 外语
  3. Although it is the first time he takes up such a big task, never ______ afraid of difficulties.

Although it is the first time he takes up such a big task, never ______ afraid of difficulties.

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问题 Although it is the first time he takes up such a big task, never ______ afraid of difficulties.
选项 A、he has been
B、has he been
C、has been he
D、been has he
答案B
解析
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