问题描述：
翻译：我们答应会去那里,我们不能言而无信.we promised to go there. and we can't ____ ____ ___ it
翻译：
我们答应会去那里,我们不能言而无信.
we promised to go there. and we can't ____ ____ ___ it.
2.昨天下午山姆踢足球时伤着了腰部
Sam ___ ____ ____playing soccer yesterday afternoon
翻译：
我们答应会去那里,我们不能言而无信.
we promised to go there. and we can't ____ ____ ___ it.
2.昨天下午山姆踢足球时伤着了腰部
Sam ___ ____ ____playing soccer yesterday afternoon
问题解答：
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