we don't have any classes on weekends.class为什么要用负数,用单数不行吗

we don't have any classes on weekends.class为什么要用负数,用单数不行吗 on weekends we don't have any classes的中文意思 英语问题解答一下用适当的冠词填空,不填的画“\”.1、We don't have any classes on ____ They don’t have any classes on weekends.这里的any可否翻译成“任何”,这句话如 We don't have any classes on Sunday.We _____ ___ we don't have classes on sundays.中的sunday为什么要加"s' on saturday and sunday ,we don't have any classes 的意思 We don't have any classes on Friday afternoon.(同义) We__ ___c We don't have any classes on Sunday.【同义句转换】 on saturday and sunday we don't have any classes 的意思 on saturday and sunday we don't have any classes 句意是什么, on saturday and sunday ,we don't have any classes 的意思是什么