题目内容
用所给动词的适当形式填空
Some proverbs ________(be)in the language for 1000 years, for example, “A friend in need is a friend indeed”.
答案:has been
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用所给动词的适当形式填空
Some proverbs ________(be)in the language for 1000 years, for example, “A friend in need is a friend indeed”.