If keeping up with the action is not so important,their physical conditions is less critical.
问题描述：
If keeping up with the action is not so important,their physical conditions is less critical.
答
如果跟上行动并不那么重要,他们的身体条件更不重要.谢谢They see a pit where rainwater had collected. 为什么collected 不用被动能否帮我解释一下这个如果句子语法是正确的那解释就是主语是pit，pit had collected rainwater,我不知道对不对，我英文不是太好，别误导了