题目内容
—Please don’t tell anybody．
—I . I promise．
| A．can't | B．don’t | C．won’t | D．mustn’t |
C
解析试题分析：句意：请不要告诉任何人。--我不会的，我发誓。Will表示意愿，决心。Won’t“不会的”，can’t“不能”，mustn’t禁止，故C正确。
考点：考查情态动词
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