Parents don't need us to buy anything for them,but___(study) hard is enough
问题描述:
Parents don't need us to buy anything for them,but___(study) hard is enough
答
to study 或studying 都可以,因为这里缺的是一个主语。
答
study
答
studying
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学习进步哦!
及时采纳,谢谢.