practice的过去式
最佳答案：practiced
we all know that knowledge begin with practice的begin要过去式吗
最佳答案：应该用一般现在时,表示一种真理或经验.We all know that knowledge begins with practice.
给出以下单词的过去（1）规则动词的过去式：visit play clean stay watch practice da
最佳答案：1visited played cleaned stayed watched practised danced studied stopped2were bou