Is this English book _____(your)?I ofen _____ (watch) insects.用所给单词的适当形式填空.

问题描述:

Is this English book _____(your)?I ofen _____ (watch) insects.用所给单词的适当形式填空.

yours 这本英文书是你的吗?
watch 我经常观察昆虫
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