we must obey the rules we borrow only one book at a time and keep_英语解答

we must obey the rules we borrow only one book at a time and keep it for two weeks的意思

人气：149 ℃　时间：2019-11-09 13:28:59

解答

我们必须遵守每次只能借一本书,并且只能保存两周的规则